Statistics

A list of 5 pulse rates is: 70, 64, 80, 74, 92. What is the median for this list?

• 74

• 76

• 77

• 80

Tags

CCSS.6.SP.B.5C

The range of a sample gives an indication of the

• the difference between the median and mode.

• The average.

• Maximum variation in the sample

• The value most repeated.

Tags

CCSS.6.SP.A.3

The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?

• 18

• 60

• 162

• 180

Tags

CCSS.6.SP.B.5C

The mean of 11 numbers is 7. One of the numbers, 13, is deleted. What is the mean of the remaining 10 numbers?

• 7.7

• 7.2

• 6.9

• 6.4

Tags

CCSS.6.SP.B.5C

It´s the smallest data value that can go into the class.

• Upper class Limit

• Lower Class Limit

• Class Mark

• Midpoint

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

What percentage of college students prefer classic rock?

• 62.5

• 52

• 28

• 33

Tags

CCSS.8.SP.A.4

What percentage of the students chose soccer as their favorite sport?

• 39.6

• 50.4

• 58.6

• 41.4

Tags

CCSS.8.SP.A.4

Determine the width of the class

• 5

• 4

• 3

• 6

A researcher is interested in the travel time of Utrecht University students to college. A group of 50 students is interviewed. Their mean travel time in 16.7 minutes. For this study the mean of 16.7 minutes is an example of a(n)

• Parameter

• Statistic

• Population

• Sample

Answer explanation

parameter is a number that summarizes some aspect of the population as a whole.

A statistic is a number computed from the sample data

Tags

CCSS.HSS.IC.B.3

A researcher is curious about the IQ of students at the Utrecht University. The entire group students is an example of a:

• Parameter

• Statistic

• Population

• Sample

Tags

CCSS.HSS.IC.B.3