NEW
Font size
S
M
L
XL
WorksheetsQuest 15 Review
Total questions: 51
Worksheet time: 3hrs 24mins
Name
Class
Date
1.
Maria's test grades are 86, 89, 92, and 94. She wants a grade of at least 90%. What is the minimum score she needs to make on the 5th test to make a 90%?
a)
89
b)
90
c)
91
d)
95
2.
If a number is added to a set that is far away from the mean, how does this affect standard deviation?
a)
increase
b)
decrease
c)
stay the same
d)
both increase and decrease
3.
If a number is added to the set that is in the middle of the data, how does this affect the range?
a)
increase
b)
decrease
c)
stay the same
d)
both increase and decrease
4.
If 10 is added to every value in a set of data, what will happen to the value of the standard deviation?
a)
it will increase
b)
it will decrease
c)
it will stay the same
d)
it will both increase and decrease
5.
What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
a)
6.89
b)
10.1
c)
7.26
d)
9
6.
Mrs. Algebra's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. The new mean will ,....
a)
increase
b)
decrease
c)
stay the same
7.
Mrs. Carmendy's class had a range of test grades from 78 to 102. She forgot to add in a student who got a 10% on the test. How will this affect the range?
a)
increase
b)
decrease
c)
stay the same
8.
Find the Lower Quartile of the following numbers:
84, 88, 72, 74, 98, 16, 94
84, 88, 72, 74, 98, 16, 94
a)
72
b)
88
c)
94
d)
There is no Lower Quartile.
9.
How do you find the Interquartile Range or IQR?
a)
Q3 - Q1
b)
Median
c)
Q2 - Q0
d)
Maximum - Minimum
10.
How many students have more than 1,000 songs on their MP3 player?
a)
5
b)
16
c)
10
d)
4
11.
Describe the distribution.
a)
Uniform (All the same frequency)
b)
Normal
c)
Skewed Right
d)
Skewed Left
12.
Describe the histogram:
a)
Left Skewed
b)
Symmetrical
c)
Right Skewed
d)
Uniform (All the same frequency)
13.
What percentage of the data is between 90 and 140?
a)
25 %
b)
50%
c)
75%
d)
100%
14.
a)
The number of students that passed the test is the same in both classes.
b)
More students passed in first block than second block.
c)
More students passed in the second block than first block.
d)
Cannot be determined based on the graphs given.
15.
What is the difference between the medians for the two data sets?
a)
0 tickets
b)
2 tickets
c)
4 tickets
d)
6 tickets
16.
Compare the centers and spreads.
a)
Math has a higher median (center) and a wider spread.
b)
Math has a higher median (center) and a smaller spread.
c)
Math has a lower median (center) and a smaller spread.
d)
Math has a lower median (center) and a wider spread.
17.
Ms. Long tracked the number and age of students that visited the library per month and recorded the data below. Where would the median fall?
a)
9-11
b)
12-14
c)
15-17
d)
18-20
18.
How are the mean and the median likely to be related in this histogram?
a)
Mean > Median
b)
Mean = Median
c)
Mean < Median
19.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
20.
What percent of the nights required between 15 and 45 minutes spent on homework?
a)
25
b)
50
c)
75
d)
100
21.
Find the IQR of the following numbers:
84, 88, 72, 74, 98, 16, 94
84, 88, 72, 74, 98, 16, 94
a)
78
b)
22
c)
16
d)
There is no IQR.
22.
Find the 75th percentile for the daily Facetime use in a week.
a)
65
b)
80
c)
77
d)
68.5
23.
Which of the following is NOT true about the data?
a)
It is skewed to the right.
b)
30% of people had heights taller than 179.5 cm.
c)
20% of people had heights shorter than 149.5 cm.
d)
The mean is most likely greater than the median.
24.
Which is NOT in the middle 50% of data values?
a)
17
b)
15
c)
21
d)
11
25.
If 44 values were used for the data, about how many data values are greater than the 1st quartile?
a)
11
b)
22
c)
33
d)
128
26.
About 50 % of the data values are greater than what value?
a)
12
b)
15
c)
22
d)
31
27.
If plot B has 60 numbers in it, about how many are in the box?
a)
15
b)
30
c)
60
d)
120
28.
What percent of students have heights between 60 inches and 66 inches?
a)
75%
b)
50%
c)
100%
d)
25%
29.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M.
30.
Which of the following lists all parts of the five number summary?
a)
Mean, Median, Mode, Range, and Total
b)
Minimum, Quartile 1, Median, Quartile 3, and Maximum
c)
Smallest, Q1, Q2, Q3, and Q4
d)
Minimum, Maximum, Range, Mean, and Median
31.
What percentage of the data is between 40 and 90?
a)
25 %
b)
50%
c)
75%
d)
100%
32.
Based on the data in the histogram, which statement is NOT true?
a)
No one surveyed paid more than $2.28 per gallon of gas.
b)
No one surveyed paid less than $1.78 per gallon of gas.
c)
Exactly 5 people paid between $1.88 and $1.98 per gallon of gas.
d)
Most people surveyed paid between $2.18 and $2.28
33.
How would you describe this distribution?
a)
Left skewed
b)
Uniform (All the same frequency)
c)
Right Skewed
d)
Normal/Symmetrical
34.
When is the median higher than the mean?
a)
When there is a high outlier.
b)
When there is a low outlier.
c)
They are always the same.
d)
When there is no outlier.
35.
Describe the shape of the distribution.
a)
Skewed Left
b)
Skewed Right
c)
Approximately Normal
d)
Roughly Uniform
36.
Find the IQR.
a)
78
b)
100
c)
15.5
d)
6
37.
How many students live at least 2 miles from school?
a)
11
b)
21
c)
7
d)
10
38.
33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile of the data?
What is the third quartile of the data?
a)
37
b)
38
c)
40
d)
46
39.
Without calculating, determine which data set has a mean, median, and mode that are closest together.
a)
5, 5.5, 6, 6.5, 6.5, 10, 13, 25
b)
70, 80, 90, 95, 95, 1000
c)
50, 100, 102, 102, 103, 104
d)
100, 101, 102, 102, 103, 104
40.
The box plot in the picture is "missing" a right whisker. What does this tell you about the data it represents?
a)
The data is skewed right.
b)
The upper 25% of the data points were all 100.
c)
There are no data points that were 100.
d)
There were no data points in the upper 25% of data.
41.
Kelsie's calculated that her mean 40-yard dash time was 6:35 with a standard deviation of 32 seconds.
Larry's mean 40-yard dash time was 7:32, with a standard deviation of 10 seconds.
Which runner had more consistent times?
Larry's mean 40-yard dash time was 7:32, with a standard deviation of 10 seconds.
Which runner had more consistent times?
a)
Larry because he had a larger mean.
b)
Kelsie because a smaller mean.
c)
Larry because he had a smaller standard deviation.
d)
Kelsie because she had a smaller standard deviation.
42.
The 25th percentile is always the same as the ____________.
a)
lower quartile
b)
Q2
c)
minimum
d)
median
43.
The _____ is the middle of the upper half of the data set.
a)
upper quartile
b)
lower quartile
c)
maximum
d)
minimum
44.
96% of students made an 'A' on a test. 4% made a low 'F'.
Which would be the most appropriate summary statistic to measure how spread out the grades are?
Which would be the most appropriate summary statistic to measure how spread out the grades are?
a)
IQR
b)
Range
c)
Standard Deviation
d)
Mode
45.
Shown in the figure are two sets of data obtained from the resting heartbeat (BPM) of individuals before and after an exercise program.
Find the difference between Q1 for both data sets.
Find the difference between Q1 for both data sets.
a)
10
b)
6
c)
4.5
d)
3.6
46.
The box plot shows the amount 40 people spent on groceries. Which interval represented the MOST amount of people?
a)
$40-$90
b)
$140-$150
c)
$100-$140
d)
They all had the same amount of people.
47.
If your EOC grade had a percentile rank of 80.5, what does that mean must be true about your performance on the test?
a)
You made an 80.5%.
b)
You passed the test.
c)
Your grade was better than 80.5% of other test takers.
d)
You answered 80.5% of the questions.
48.
Simplify. Write using a positive exponent.
2x−2y12x6y−2
a)
6x4y−3
b)
y36x8
c)
y36x4
d)
y310x4
49.
There were 417 cell phones sold at an electronics store in January. Since then, cell phone sales at this store have increased at a rate of 3.75% per month. At this rate of growth, which function can be used to determine the monthly cell phone sales x months after January?
a)
f(x) = 417(3.75)x
b)
f(x) = 417(0.0375)x
c)
f(x) = 417(1.0375)x
d)
f(x) = 417(1.375)x
50.
The equation of the best-fit line is
y(hat) = 1.3 + 0.73x. What is the residual for the point (4, 7)?
y(hat) = 1.3 + 0.73x. What is the residual for the point (4, 7)?
a)
2.78
b)
3.00
c)
4.00
d)
4.22
51.
What is the perimeter of the rectangle? (Round to the nearest tenth)
a)
18
b)
about 23.6
c)
about 25.1
d)
about 21.6
Reset
