Question 1

The data set is 104, 108, 147, 124, 116, 173, 189, 169. What is the IQR?

Accepted Answer

59

Answer

73

Answer

85

Answer

49

Question 2

What is the IQR of the most consistent grade? Pick the BEST answer.

Accepted Answer

11

Answer

17

Answer

8

Answer

23

Question 3

The data set is 183, 186, 194, 138, 167, 128, 198, 146. Is it skewed, if so, which way?

Accepted Answer

left

Answer

right

Answer

yes

Answer

no

Question 4

The data set is 15, 23, 46, 65, 86, 87, 94. What is the IQR?

Accepted Answer

64

Answer

40

Answer

79

Answer

65

Question 5

What is the IQR of this Box and Whisker plot?

Accepted Answer

40

Answer

75

Answer

35

Answer

50

Question 6

For the least consistent class, what is the IQR?

Accepted Answer

14

Answer

21

Answer

16

Answer

9

Question 7

The data set is 63, 24, 87, 92, 17, 34. What is the IQR?

Accepted Answer

63

Answer

48

Answer

72

Answer

51

Question 8

What is a Box and Whisker Plot?

Accepted Answer

A plot to show the 5 number summary.

Answer

A plot to show the 3 number summary.

Answer

A plot to only show the median and range.

Answer

A plot to show only the IQR.

Question 9

What is IQR?

Accepted Answer

The range between the Quartile 1 and Quartile 3.

Answer

The difference between Quartile 2 and Quartile 3.

Answer

The difference between Quartile 1 and Quartile 2.

Answer

The range.

Question 10

What is the highest and lowest extreme for Year 10?

Accepted Answer

14, 1

Answer

0, 12

Answer

12, 0

Answer

18, 4

Question 11

What is the five number summary of this data set? 13, 18, 24, 27, 49, 68, 74

Accepted Answer

13, 18, 27, 68, 74

Answer

74, 24, 49, 18, 13

Answer

13, 74, 24, 49, 68

Answer

13, 18, 24, 27, 49

Question 12

What is the five number summary of this data set? 152, 192, 125, 84, 136, 182, 175, 203.

Accepted Answer

84, 130.5, 163.5, 187, 203

Answer

84, 130.5, 163, 187, 203

Answer

84, 182, 152, 136, 203

Answer

182, 84, 136, 125, 175

Question 13

What percentage of numbers are lower than the median of 2000 and 2010? Round to the nearest whole.

Accepted Answer

20% and 47%

Answer

80% and 53%

Answer

21% and 46%

Answer

18% and 57%

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