Chapter 3 Lecture: Stats

When you add all the numbers in a list and then divide by how many numbers are in the list, the result is the...

• Mean

• Median

• Mode

• Maximum

Tags

CCSS.6.SP.B.5C

When put the numbers in order from lowest to highest, the middle number is the...

• Mean

• Median

• Mode

• Maximum

Tags

CCSS.6.SP.B.5C

In a list of numbers the number that occurs most often is the...

• Mean

• Median

• Mode

• Maximum

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

How many of the students scored between 30-35?

• Cannot be determined

• 5

• 6

• 9

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The total number of data values in this histogram is...

• can not be determined

• 11

• 5

• 25

Tags

CCSS.6.SP.B.5A

What is the MEAN for this data?

• 80
• 1040
• 13
• 81

Tags

CCSS.6.SP.B.5C

What is the purpose of z-scores?

• to describe the exact location of a score within a distribution

• to find the mean of the distribution

• to describe the shape of the distribution

• to find the standard deviation of the distribution

The sign of the z-score indicates whether the location is above(positive) or below(negative) the mean.

• True

• False

Find the z-score value corresponding if the location is below the mean by 2 standard deviations

• +2.00

• -2.00

• +1.25

• -1.00

A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for 265.

Tags

CCSS.HSS.ID.A.4