Intro to Stats

• range

• median

• Quartile 3

• Interquartile Range

• The women's data has a smaller standard deviation than the men's.

• The men's shoes cost more.

• The men's shoes have a higher IQR.

• The women's shoes cost more.

• The model is a good fit because there is a negative association.

• The model is a good fit because there is a positive association.

• The model is not appropriate because there is a pattern in the plot.

• No association exists.

What percent of student athletes voted for red and gold?

• 27

• 42

• 51

• 67

Steve should use the ______________ to describe the data, because his data is ________________.

• mean, skewed

• mean, symmetric

• median, skewed

• median, symmetric

(Make sure you check the intervals on the axes - they are different)

Tags

CCSS.8.EE.B.5

Mr Holland gives his class a test. The results are:

34%, 44%, 75%, 21%, 98%, 86%, 71%, 76%, 63%, 55%

How many students scored above the mean percentage?

• 4

• 5

• 6

• 7

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:  9, 7, 12, 6, 1

What is the mean number of pages she wrote per day?

 

Round to the nearest whole number.

What is the mode?

• The value that occurs the most often in a data set

• The sum of all numbers in a data set divided by the size

• The middle number in an ordered data set

• The sum of the greatest and least elements, divided by two

What is the median?

• The value that occurs the most often in a data set

• The sum of all numbers in a data set divided by the size

• The middle number in an ordered data set

• The sum of the greatest and least elements, divided by two