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Statistics Review
Statistics Review
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Mixed review for statistics unit #math #algebra
Flashcards
26 cards
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Questions
26
Answers
1
Given the set of data, find the mode: 5, 55, 5, 71, 555, 18, 2, 18, 18, 54, 71, 71, 2, 71, 2
18
5
2
71
2
Which interval contains the median?
46-55
66-75
56-65
36-45
3
quiz scores were: 15,15,19,13,17,17,15,15,15,15 What score represents the 30th percentile?
17
13
15
19
4
What type of distribution describes the histogram?
Bimodal
Skewed
Uniform
Symmetric
5
Which statement about the data is true: 6, 10, 4, 15, 12, 4, 20, 13, 19
median > mean
mean = median
mean > median
median = mode
6
True or False: In a symmetric distribution, the mean and median will be approximately equal.
False
True
7
Which of the following is a measure of spread?
mode
mean
median
IQR
8
Find the mean of the following set of data: {20, 15, 45, 10, 10}
20
22.5
25
23.5
9
Joe wanted to see how many students like chicken bowl. Which represents the least biased survey
Ask the first 5 students who came into the lunch room
Ask every teacher in the school
Ask every 10th kid that entered the school
Ask her 5 closest friends
10
What percent of the scores were 90 or above?
25%
100%
68%
50%
11
Which is an example of categorical data?
Age
Food
Height
Shoe Size
12
What type of distribution best describes the histogram?
Skewed Right
Uniform
Skewed Left
Symmetric
13
Find the median of the following set of data: 1, 3, 7, 18, 37, 41, 52, 88, 100
41
36
37
18
14
What percent of the data lies in the IQR
40%
25%
50%
75%
15
Which is an example of numerical data?
Colors
Sports
Weight
Cars
16
quiz scores were: 15,15,19,13,17,17,15,15,15,15. what is the median?
16
17
14
15
17
Describe the correlation displayed in the scatter plot.
No Correlation
Negative
Positive
Need more information
18
Determine the range of the following data: {17, 15, 4, 23, 72, 9}
68
0
66
88
19
Kim's average in math is a 81 after 3 tests. If she got a 98 and 72, what was her third score?
99
68
79
73
20
Which of the following sets of data has a mean of 10?
1, 2, 3
5, 9, 14
8, 9, 10
7, 11, 12
21
which correlation coefficient represents the weakest linear relationship?
1.2
-0.95
0.35
-0.13
22
What type of distribution describes the histogram?
Skewed Right
Symmetric
Uniform
Skewed Left
23
Calculate the mean from the histogram.
70.1
64.32
66.8
65.56
24
Given Q1=7 and Q3=21, find the Interquartile Range.
83
13
14
17
25
Find the population standard deviation for the following data {13, 2, 46, 13, 9, 23, 8}
14.6
13.5
11.1
16.3
26
Which interval contains the median?
19-23
14-18
9-13
4-8
