Fri 1/8 Statistics Quiz

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

Find the median of these numbers:

4, 2, 7, 4, 3, 8, 1, 7, 2, 5

• 4.3

• 5

• 7

• 4

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

What is the range of a data set?

• the average

• the middle number

• maximum value - minimum value

• Q3 - Q1

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Determine the range: 5, 15, 10, 20, 15, 10, 15

• 5

• 10

• 15

• 20

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The heights, in inches, of 5 students are 68, 72, 65, 59, and 67. What would happen to the mean of the heights if everyone grew an additional 6 inches?

• The mean would stay the same

• The mean would go up by 6

• The mean would go down by 6

• None of the above

Given the set of data {5, 9, 10, 15, 17, 20}, what would happen to the mean and the range if you were to multiply each of the numbers by 3?

• The mean and the range would both stay the same

• The mean would get multiplied by 3 and the range would stay the same

• The mean and the range would both get multiplied by 3

• The mean would stay the same and the range would get multiplied by 3

The following data represents quiz grades from Mr. Marini's Algebra class. {80, 81, 85, 87, 91, 88, 25}

Which measure of central tendency, the mean or the median, would best represent the quiz grades?

• The mean because there is an outlier

• The median because there is an outlier

• Both the mean and the median would be fine to use

• None of the above

The gummy worm increased by 2 inches.

• Qualitative

• Quantitative

The dogs were small.

• Qualitative

• Quantitative