Statistics Test

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6

Tags

CCSS.4.MD.B.4

Which is NOT in the middle 50% of data values?

• 17

• 15

• 21

• 11

Which value is in the top 25% of the data?

• 16

• 22

• 29

• 36

What is the difference in the upper extremes of the two plots?

• 18

• 40

• 22

• 16

Which best represents the Interquartile Range

• 15

• 93

• 85

• 78

Which inference about the two populations is true

• Both sets of data have the same interquartile range

• Both sets of data have the same median

• Ander's data centers areound 6 and Marcus's data centers around 7

• The interquartile range for Ander's data is .5 greater than the interquartile range for Marcus's data

What is the approximate difference in the interquartile ranges?

• 20

• 12

• 32

• 40

The temperature in Michigan City on this date in the last ten years were: 68, 68, 69, 70, 72, 70, 68, 75, 55, 67. What is the mean temperature on this date over the last ten years? (Round to nearest whole number.)

• 60

• 61

• 68

• 69

How do you find the median of a data set that has two middle numbers?

• You pick the higher middle number

• You pick the lower middle number

• Add the two middle numbers and divide it by 2

• Subtract the two middle numbers and divide by 2

Which class did better on the test?

• 1st period

• 2nd period

• They both performed the same