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WorksheetsY7 revision unit 1
Total questions: 123
Worksheet time: 6hrs 9mins
What is the range?
The sum of the largest and smallest number
The number in the middle
The difference between the largest and smallest number
The number that appears most often
What is the median?
The number in the middle when the numbers are in order from least to greatest.
The difference between the largest and smallest number.
The average
The number that appears most often.
The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
24
39
36
52
Dr. Dre is a dentist. He needs to report on the average (Mean) number of cavities that his patients have.
1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?
14
2
7
1
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the MODE.
12,10,10,10,13,12,11,13,10
10
12
10 and 12
No Mode
The heights of some students are given.
158cm 172cm 164cm
164cm 167cm 159cm
What is the RANGE of the heights?
13 cm
330 cm
164 cm
14 cm
What is the MEDIAN of this set of data?
10, 90, 80, 60, 50, 40, 70, 30, 20, 100
50
60
55
45
Find the range of the data set
1.43, 1.05, 34, 56, 89, 1.1
87.9
87.57
87.95
89
What is the outlier?
A survey was given to decide what sport males & females prefer to watch on TV. What is the GRAND TOTAL of people that were surveyed?
48
52
100
36
How many males were surveyed?
48
52
31
36
How many females were surveyed?
48
52
31
36
How many males that were surveyed prefer basketball?
13
15
20
48
How many females that were surveyed prefer football?
23
16
13
52
How many total people prefer baseball?
36
31
33
100
How many total people prefer football?
36
31
33
100
What is the JOINT relative frequency of a female preferring basketball (take the inner cell divided by the grand total)?
31%
100%
52%
16%
What is the JOINT relative frequency of a male preferring football (take the inner cell divided by the grand total)?
20%
48%
33%
100%
What is the MARGINAL relative frequency males surveyed (take the margin total divided by the grand total)?
52%
48%
36%
31%
What is the MARGINAL relative frequency people who preferred basketball (take the margin total divided by the grand total)?
52%
48%
36%
31%
What is the CONDITIONAL relative frequency that a person preferred baseball given they are male? (only look at the male row... divide amount that prefers baseball by total males surveyed)
100%
0%
27%
31%
What is the CONDITIONAL relative frequency that a female was surveyed given they prefer basketball? (only look at the basketball column... divide amount of females that prefer basketball by the total people that prefer basketball)
100%
33%
27%
52%
How many mountain bikes were sold?
22
16
28
6
How many people voted for red as their favorite color?
100
4
2
9
How many more people have purple for a favorite color than red?
3
17
5
12
How many students scored Grade B?
3
5
12
10
How many students like Vanilla and Chocolate?
8
30
32
28
How may children voted for berry?
6
8
5
4
What colour do the pupils like most?
How many oranges are in the basket?
6
0
9
5
What type of graph is this?
pictograph
long graph
colour graph
bar chart
How many students take the bus to school?
35
20
10
15
The bar graph shows the results when a die was thrown a number of times. How many sixes were thrown?
2
3
5
6
The bar graph shows the usual method of transport to school for the students in a class. How many students are there altogether in the class?
20
21
22
23
The bar graph shows the scores Brett obtained in his end of year exams. How many more did Brett score in his best subject than in his worst subject?
25
35
45
60
The bar graph shows the scores Brett obtained in his end of year exams.Luke's score in English was 15% higher than Brett's score in English.What was Luke's score in English?
89
79
72
69
Tammy recorded the amount of time she spent on six activities over a twenty four hour period and drew a bar graph, as follows:
Approximately how many more hours did she spend sleeping than watching TV?
About 3½ hours longer
About 4 hours longer
About 4½ hours longer
About 5 hours longer
Tammy recorded the amount of time she spent on six activities over a twenty four hour period and drew a bar graph, as follows:
Approximately what percentage of the day did she spend on playing sport?
About 8%
About 11%
About 15%
About 27%
In 2008 approximately what percent of the world's population lived in Asia?
50%
60%
75%
90%
If there were 800 children in the school, how many said their favorite pet was Fish?
4
9
14
32
What is the angle for the sector of the pie chart representing Fish?
4°
9°
14.4°
50.4°
If 720 children said their favorite pet was a Dog, how many children said their favorite pet was a Rabbit?
56
70
140
210
The pie chart shows the amount of time each day that Jethro spends on various activities.What is the angle for the sector of the pie chart representing the time he spends playing sport?
14°
25.7°
50.4°
52°
Discrete or continuous data?
Discrete
Continuous
Discrete or continuous data?
Discrete
Continuous
The number of dogs Mrs. Jacobsen has would be considered
continuous data
discrete data
quadratic data
If a question asks you to find f(2), what does that mean?
Let x = 2
Let y = 2
If f(x) = -3x - 8, find f(-1).
f(-1) = 5
f(-1) = -5
f(-1) = -12
f(-1) = -10
Given
f(x)=x2 +5x−10 find f(-5)
(a)
0.5(4x+2)=−0.5x+5+2x
Solve the equation above.
(a)
Is this mapping a function and how can you tell?
Yes its a function cause all the numbers have lines
No it's not a function because there a 5 in both ovals
No it's not a function because the x value 5 has 2 outputs.
No it's not a function because the y value 5 has 2 inputs.
5a + 2b - 3a + 4
What did you do over the weekend?
What kind of graph shows change over time?
bar graph
line graph
line plot
pie graph
A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?
March
May
July
August
At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?
10°C in 5 min
10°C in 10 min
5°C in 5 min
5°C in 10 min
Which month had the biggest difference between the high and low temperatures?
January
April
October
November
A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?
March
May
July
August
At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?
10°C in 5 min
10°C in 10 min
5°C in 5 min
5°C in 10 min
Which month had the biggest difference between the high and low temperatures?
January
April
October
November
Annie recorded the amount of rain that fell each day. The results are shown in the line graph below. How many centimeters of rain fell on the third day?
2
3
4
7
The graph shows the number of inches a plant grew each week.
Between which 2 weeks did the plant grow the MOST?
Week 1 and Week 2
Week 2 and Week 3
Week 3 and Week 4
Week 4 and Week 5
What kind of graph shows change over time?
bar graph
line graph
line plot
pie graph
A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?
March
May
July
August
At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?
10°C in 5 min
10°C in 10 min
5°C in 5 min
5°C in 10 min
Which month had the biggest difference between the high and low temperatures?
January
April
October
November
The data table shows the results of an experiment where a model car was modified and rolled down a track. Determine the relationship between Wheel Diameter and TIME.
There is no direct relationship shown in the data.
When the wheel diameter decreases the time increases.
When the wheel diameter decreases the time decreases.
When the wheel diameter increases the time increases.
The data table shows the results of an experiment where a model car was modified and rolled down a track.
Which two trials would you compare to show how changing the Wheel Base Width affected the time? (Choose 2)
1
2
3
4
The data table shows the results of an experiment where a model car was modified and rolled down a track.
What is the relationship between the Wheel Base Width and the Time?
As the wheel base width increases the time decreases.
As the wheel base width increases the time stays the same.
As the wheel base width increases the time increases.
Wheel base width has no effect on the time.
The data table shows the results of an experiment where a model car was modified and rolled down a track.
Use the data to complete the following sentence:
If the Wheel Base Length is increased, the Time will ________.
increase
decrease
stay the same
The data table displayed shows the results of an experiment that was done to determine how fast sugar dissolves in 400 mL of water.
Which two trials should be compared to show the effect of Temperature on the Time to Dissolve? (Choose 2)
1
2
3
4
The data table displayed shows the results of an experiment that was done to determine how fast sugar dissolves in 400 mL of water.
Describe the relationship between Stir Speed and Time to Dissolve.
As Stir Speed increases the Time to Dissolve increases.
As Stir Speed increases the Time to Dissolve decreases.
Stir speed does not affect the Time to Dissolve.
Decreasing the Stir Speed will decrease the Time to Dissolve.
The data table displayed shows the results of an experiment that was done to determine how fast sugar dissolves in 400 mL of water.
Analyze the data and complete the following sentence:
As the Amount of Sugar increases the Time to Dissolve _______.
increases
decreases
stays the same
The data table displayed shows the results of an experiment that was done to determine how fast sugar dissolves in 400 mL of water.
Which two trials should be compared to show the effect of Stir Speed on the Time to Dissolve? (Choose 2)
1
2
3
4
The data table displayed shows the results of an experiment where plants were grown under different colored lights.
Calculate the average growth of plants grown with blue light.
75
57.7
25
24
The data table displayed shows the results of an experiment where plants were grown under different colored lights.
Calculate the average growth of plants grown under red light.
37
88.3
34
111
Based on the box plots, which statement correctly compares the median test scores for the two groups of students?
Group 1 and Group 2 have the same median test score.
The difference between the median test scores for Group 1 and Group 2 is 2.5 points.
The median test score for Group 1 is 5 points less than the median test score for Group 2.
The median test score for Group 1 is 5 points greater than the median test score for Group 2.
Based on the box plots, what is the difference between the spread of points for the two teams?
12 points
16 points
26 points
48 points
Based on the box plots, which statement is true?
The median number of books read in Class A is less than the median number of books read in Class B.
The difference between the spread of data for Class A and Class B is 15.
The difference between the median number of books read by the two classes is 20.
The interquartile range (IQR) of Class A is half that of the interquartile range (IQR) of Class B.
Which statement correctly describes the two data sets above?
The minimum number of minutes spent getting ready in eight-grade is greater than the minimum number of minutes spent getting ready in seventh-grade.
The median of the seventh-grade students is greater than the median of the eighth grade students.
The range of both data sets is 40.
On average, seventh-grade students spend more time getting ready that eighth-grade students.
Which statement is supported by the data?
The IQR of the tack team is greater than the IQR of the tennis team.
There are more students on the tennis team than on the track team.
The median number of sales for both teams is the same.
The range of data for the tennis team is greater than the range of data for the track team.
Based on the box plots, which statement correctly compares the data of the two box plots?
The interquartile range of the data for the distance traveled on carpet is greater than the interquartile range of the data for the distance traveled on tile.
The difference between the two medians is 4.
The difference between the two ranges is 9.
The range of the data for the distance traveled on tile is less than the range of the data for the distance traveled on carpet.
Which statement about the data of your class and your friend's class is true?
The range of data in your class is greater than the range of the data in your friend's class.
The highest score in your class is equal to the highest score in your friends class.
The medians are the same for both classes.
The IQR of your class is greater than the IQR of your friends class.
Which statement is true about the two dot plots.
The range of the girls time in minutes is greater than the range of the boys time in minutes.
The median amount of time of the girls is greater than the median amount of time of the girls.
The boys have a greater mode than the girls.
The range of the boys and girls is the same.
Which statement is true about the two dot plots.
The difference of the ranges is 1.
The medians of the two dot plots is the same.
The range of the miles run at the end of the school year is greater than the miles run at the start of the school year.
On average you ran more at the start of the school year than at the end of the school year.
What is the IQR of the box plot?
3
10
15
6
