Quiz about Stats: Centers and Shapes of Data

Question 1

Question 1.

Accepted Answer

both plots are symmetric

Answer

only 2nd period is symmetric

Answer

5th period is bimodal

Answer

2nd period's center is higher than 5th period

Question 2

Question 2.

Accepted Answer

5th period's center is higher than 2nd period

Answer

2nd period has a gap at 16

Answer

5th period has an outlier

Answer

2nd period's spread is greater than 5th period's spread

Question 3

Question 3.

Accepted Answer

skewed to the right

Answer

symmetric, with outliers

Answer

symmetric, with no outliers

Answer

skewed to the left

Question 4

Which value is smaller, the mean or the median? Choose 2 answers.

Accepted Answer

The mean is 22.5 The median is 22

Accepted Answer

The median is smaller

Answer

The mean is 20 the median is 22

Answer

The mean is smaller

Answer

The mean is 22 The median is 22.5

Question 5

What is the shape of the data?

Accepted Answer

skewed right

Answer

symmetrical

Answer

skewed left

Answer

bell curve

Question 6

What is the shape of the data?

Accepted Answer

skewed left

Answer

symmetrical

Answer

skewed right

Answer

bell curve

Question 7

Which of the following best describes the shape of the distribution?

Accepted Answer

SKEWED RIGHT

Answer

SKEWED LEFT

Answer

UNIFORM

Answer

SYMMETRICAL

Question 8

Which of the following best describes the shape of the distribution?

Accepted Answer

SKEWED LEFT

Answer

SKEWED RIGHT

Answer

UNIFORM

Answer

SYMMETRICAL

Question 9

Describe the shape of the graph.

Accepted Answer

Symmetrical

Answer

Skewed

Answer

Uniform

Question 10

What is the interquartile range?

Accepted Answer

4

Answer

6

Answer

2

Answer

8

Question 11

Which interval has 4 students?

Accepted Answer

60-63

Answer

56-59

Answer

60-67

Answer

48-51

Question 12

What is the range of the data?

Accepted Answer

110

Answer

100

Answer

50

Answer

150

Question 13

How many students were greater than 55 inches tall but less than 70 inches tall?

Accepted Answer

13

Answer

15

Answer

16

Answer

17

Question 14

The histogram shows the birth weights of 100 new born babies.  How many babies weighed 8 pounds or more?

Accepted Answer

45

Answer

22

Answer

23

Answer

30

Question 15

How would you describe this distribution?

Accepted Answer

Symmetrical

Answer

Left skewed

Answer

Uniform

Answer

Right Skewed

Question 16

Question 16.

Accepted Answer

150

Answer

136

Answer

156

Answer

153

Question 17

The number of text messages that Isaac received each day for a week is shown: 47, 49, 54, 50, 48, 47, 55
What is the mean and median

Accepted Answer

Mean=50
Median=49

Answer

Mean=49
Median=54

Answer

Mean=49
Median=50

Answer

Mean=50
Median=54

Question 18

The numbers of runs scored by a softball team in 20 games are given.
3, 4, 8, 12, 7, 5, 4, 12, 3, 9, 11, 4, 14, 8, 2, 10, 3, 10, 9, 7
What is the median of this data.

Accepted Answer

Median = 7.5

Answer

Median = 7

Answer

Median = 8

Answer

Median = 12

Question 19

The numbers of runs scored by a softball team in 20 games are given.
3, 4, 8, 12, 7, 5, 4, 12, 3, 9, 11, 4, 14, 8, 2, 10, 3, 10, 9, 7
What is the Interquartile Range.

Accepted Answer

IQR = 6

Answer

IQR = 10

Answer

IQR = 7.5

Answer

IQR = 12

Question 20

Which of the following best describes the shape of the distribution?

Accepted Answer

SYMMETRICAL

Answer

SKEWED LEFT

Answer

SKEWED RIGHT

Answer

UNIFORM

Stats: Centers and Shapes of Data

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