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WorksheetsSTATISTICS CHALLENGE
Total questions: 100
Worksheet time: 4hrs 18mins
Name
Class
Date
1.
a)
1.5
b)
2.5
c)
1.0
d)
2.0
2.
a)
30
b)
32
c)
28.5
d)
35
3.
What is a the meaning for "median"?
a)
fair share
b)
middle
c)
repeats the most
d)
variation
4.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
5.
How many cities have temperatures between 70 degrees and 99 degrees?
a)
44
b)
34
c)
26
d)
62
6.
How many students scored full marks on the test?
a)
0
b)
2
c)
6
d)
1
7.
Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
8.
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
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
9.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
10.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
11.
How many students have more than 1,000 songs on their MP3 player?
a)
5
b)
16
c)
10
d)
4
12.
In how many games did the team score more than 20 points?
a)
8
b)
7
c)
10
d)
9
13.
Find the median, mode and range:
3, 5, 7, 9, 11, 8, 3
3, 5, 7, 9, 11, 8, 3
a)
median:3 mode:7 range:8
b)
median:6 mode:3 range:7
c)
median:7 mode:3 range:8
14.
What percentage of males drive sports cars?
a)
35%
b)
16.25%
c)
65%
d)
25%
15.
Measure of Center
a)
Average
b)
mean distance between each data value and the mean of the data
c)
A measure used to describe the middle of the set of data
d)
middle number
16.
Upper quartile
a)
A value much greater or much less than the others in a data set
b)
mean distance between each data value and the mean of the data
c)
A measure used to describe the the median of the upper half of a set of data
d)
middle number
17.
Statistics
a)
Just a bunch of numbers
b)
when you make graphs
c)
the process of collecting, organizing and interpreting data
d)
only when you find the average
18.
Dot Plot
a)
each piece of data is represented by a dot above a number line.
b)
shows how data is distributed by using the median, quartiles, least and greatest values
c)
bar graph that shows the frequency of data within intervals
19.
What is the IQR?
a)
5.5
b)
4
c)
4.5
d)
6
20.
Find the range.
5, 15, 10, 20, 15, 10, 15
5, 15, 10, 20, 15, 10, 15
a)
5
b)
10
c)
15
d)
13
21.
What is the Median?
8,1,2,0,6
8,1,2,0,6
a)
7
b)
8
c)
2
d)
0
22.
The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?
a)
The slices are the wrong color
b)
The slices are not the correct size
c)
The percents do not add up to 100
d)
Not misleading
23.
If a cat eats 4 pounds of food in 5 days, how, how many pounds will it eat in 60 days?
a)
50
b)
48
c)
12
d)
72
24.
What percentage of SUV's are driven by women?
a)
56.25%
b)
75%
c)
83.25%
d)
86.5%
25.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.
a)
150 pages
b)
170 pages
c)
190 pages
d)
210 pages
26.
What type of correlation does this graph show?
a)
Positive
b)
negative
c)
none
d)
all of the above
27.
Choose the best option.
a)
To make this graph 22 studentes were interviewed.
b)
The mean of the data is 5.
c)
More than 50% preferred soccer.
d)
The range of the data is 7.
28.
What is the range of minutes?
a)
35
b)
40
c)
45
d)
50
29.
Pat and Chris both took a spatial abilities test (mean = 80, std. dev. = 8). Pat scores a 76 and Chris scored a 94. What percent of individuals would score between Pat and Chris? Use a normal distribution and area under a normal curve. Find Z-scores first.
a)
26.8%
b)
96%
c)
65.1%
d)
4%
30.
Thirty randomly selected students took the calculus final. If the sample mean was 92 and the standard deviation was 9.4, construct a 99 percent confidence interval for the mean score of all students.
a)
89.08 < μ < 94.92
b)
87.27 < μ < 96.73
c)
87.29 < μ < 96.71
d)
87.77 < μ < 96.23
31.
How many degrees of freedom will be present?
a)
4
b)
5
c)
6
d)
7
32.
Group businesses according to type: medical, retail, restaurant, hotel, other. Then select a random sample of 10 businesses from each type.
a)
cluster
b)
convenience
c)
stratified
d)
systematic
33.
How many employees are there that make between $33,000 and $43,000
a)
250
b)
500
c)
550
d)
750
34.
What is the median?
a)
62
b)
58
c)
66
d)
60
35.
a)
A
b)
B
c)
C
d)
D
36.
a)
A
b)
B
c)
C
d)
D
37.
a)
4 degrees
b)
4.8 degrees
c)
10 degrees
d)
68 degrees
38.
What is the IQR of this data set?
6, 7, 2, 1, 5, 2, 1, 6
6, 7, 2, 1, 5, 2, 1, 6
a)
3
b)
4
c)
4.5
d)
5.5
39.
What is the term for the median of the upper half of a data set?
a)
Interquartile Range
b)
First Quartile
c)
Second Quartile
d)
Third Quartile
40.
What number is in the thousandths place?
1,234.56789
1,234.56789
a)
1
b)
6
c)
7
d)
8
41.
Round this number to the hundredths place:
0.36782
0.36782
a)
0.4
b)
0.3678
c)
0.368
d)
0.37
42.
Round this number to the ten-thousands place:
1,363,500
1,363,500
a)
1,360,000
b)
1,363,000
c)
1,360,500
d)
1,400,000
43.
What is the mean of 2, 4, 6 ?
a)
2
b)
4
c)
3
d)
6
44.
What is the mean of 1, 4, 4 ?
a)
1
b)
6
c)
8
d)
3
45.
What is the probability of getting the number 1 in a fair dice ?
a)
1/6
b)
1/3
c)
1/2
d)
2/3
46.
What is the mode of -3, -3, 0, 1, 2 ?
a)
3
b)
-3
c)
1
d)
2
47.
Whats the chance of getting a red apple from a bushel of 6 red apples and 5 green apples?
a)
1/6
b)
5/6
c)
6/5
d)
6/11
48.
What is the median of -2, -2, -1, 0, 1 ?
a)
-2
b)
-1
c)
0
d)
1
49.
9. What was the maximum amount someone spent on groceries?
a)
40
b)
60
c)
140
d)
150
50.
11. What percentage of the data is between 90 and 140?
a)
25 %
b)
50%
c)
75%
d)
100%
51.
13. What percentage of the data is between 40 and 90?
a)
25 %
b)
50%
c)
75%
d)
100%
52.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
53.
How many employees are there that make between $33,000 and $43,000
a)
250
b)
500
c)
550
d)
750
54.
What kind of distribution is this?
a)
Left skewed
b)
Symmetrical
c)
Right skewed
d)
Uniform
55.
The characteristic of a sample.
a)
statistic
b)
population
c)
survey
d)
data
56.
A characteristic of a population.
a)
Experiement
b)
sample
c)
Parameter
d)
data
57.
An entire set of items from which data can be selected.
a)
Population
b)
Parameter
c)
Data
d)
Statistical question
58.
A method to collect data where EVERY person is counted.
a)
Sample Survey
b)
Census
c)
Population
59.
Ask every member of the sample a set of questions.
a)
Survey
b)
Normally Distributed Curve
c)
Variance
d)
Mode
60.
Numbers that are much greater or much less than the other numbers in the set
a)
range
b)
mean
c)
outlier
d)
outsider
61.
displays the 5 number summary as a central box, whiskers that extend to the nonoutlying data values, and any outliers shown
a)
dotplot
b)
frequency table
c)
boxplot
d)
histogram
62.
Data sets that consist of characteristics of people or things.
a)
Sample
b)
Population
c)
Data set
d)
Variables
63.
A survey is given to every homeroom to find out their thoughts about a dance.
a)
Sample
b)
Population
64.
Qualitative observations that fall into separate and distinct categories.
a)
Numerical Data
b)
Data
c)
Categorical Data
d)
Measure of Center
65.
A value that describes how data is centered.
a)
Data
b)
Measure of Center
c)
Median
d)
Statistics
66.
The frequency or occurrence of something.
a)
Data
b)
Range
c)
Frequency
d)
Distribution
67.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the probability of pulling a red?
a)
certain
b)
impossible
c)
unlikely
d)
equally likely
68.
What is the probability of spinning the spinner and landing on the 7?
a)
impossible
b)
equally likely
c)
unlikely
d)
very likely
69.
What is the probability of spinning an even number?
a)
equally likely
b)
very likely
c)
certain
d)
impossible
70.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
71.
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
What is the probability you will roll a 4, then roll a number less than 3?
a)
1/36
b)
1/18
c)
1/9
d)
1/6
72.
Which event is not a dependent event?
a)
Picking 2 students to each be line leader and door holder from a group of 20 students
b)
Picking 2 marbles from a bag without replacing the first marble
c)
Picking 2 crayons from a box at the same time (simultaneously)
d)
Picking an earring, replacing it, then picking a 2nd earring
73.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
74.
Change this decimal to a percent.
0.528
0.528
a)
528%
b)
52.8%
c)
5.28%
d)
52%
75.
What is the probability of rolling a cube and having land as an odd number?
a)
3/4
b)
1/3
c)
1/2
d)
2/5
76.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
77.
The probability of it raining today is 30%. What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
78.
In a standard deck of 52 playing cards, what is the probability that a randomly chosen card is a red 7 ?
a)
1/24
b)
1/25
c)
1/26
d)
1/30
79.
An event with a probability of one
a)
experimental probability
b)
outcome
c)
certain event
d)
permutation
80.
A coin was flipped: 3 heads & 7 tails
What is the experimental probability:
P(tails)
What is the experimental probability:
P(tails)
a)
30%
b)
70%
c)
50%
d)
1/2
81.
Probability can be expressed as a number between_____ and _____.
a)
0 and 100
b)
0 and 10
c)
0 and 1
d)
-1 and 1
82.
A probability near 1 is _______.
a)
never going to happen
b)
very likely to happen
c)
probably never going to happen
d)
equally likely to happen
83.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
84.
How many are in set A or B?
a)
16
b)
13
c)
20
d)
53
85.
How many are in set A and B?
a)
16
b)
13
c)
20
d)
53
86.
How many are NOT in set C?
a)
34
b)
27
c)
20
d)
1
87.
How many arrangements of answers are possible for a true/false test with 10 questions?
a)
1024
b)
100
c)
20
d)
10
88.
Mrs. Taege has 10 shirts, 8 skirts and 40 pairs of TOMS. How many different shirt, skirt, and TOMS combinations can she wear?
a)
58
b)
120
c)
3200
d)
40
89.
In how many different ways can first, second, and third prize winners be chosen in a random drawing if 50 people entered a contest?
a)
50
b)
19600
c)
117600
d)
150
90.
In how many different ways can the letters in the word COLLEGE be scrambled?
a)
1260
b)
5040
c)
7
d)
700
91.
Two fair dice are rolled, determine the probability that the sum of the two dice is 11.
a)
2/12
b)
2/36
c)
11/36
d)
11/12
92.
If you were to select one shape at random from the array what would be the probability that it would be a circle?
a)
6 out of 6
b)
5 out of 5
c)
6 out of 16
d)
5 out of 16
93.
What is the probability of landing on the color blue on the spinner?
a)
3/3
b)
5/3
c)
3/12 or 1/4
d)
1/3
94.
Based on chart which color marble do you think there are more of in the jar?
a)
red
b)
blue
c)
green
d)
yellow
95.
A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?
a)
1/3
b)
1/7
c)
1/9
d)
1/12
96.
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
What is the probability you will roll a 4, then roll a number less than 3?
a)
1/36
b)
1/18
c)
1/9
d)
1/6
97.
In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?
a)
1/11
b)
1/18
c)
1/36
d)
2/33
98.
There are four pennies, six nickels, and two quarters in a pocket. What are the odds of NOT drawing out a quarter?
a)
1:5
b)
1:1
c)
5:1
d)
1:3
99.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
100.
Determine the likelihood of the following event:
Drawing a red card from a standard deck of cards
Drawing a red card from a standard deck of cards
a)
1/2
b)
13/52
c)
1/4
d)
4/52
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