U6L1 Measures of Center and Spread

What is the standard deviation for the data population given:

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

• 293.67

• 15.87

• 17.14

• 41.98

A data set can have more than one median?

• True
• False

Tags

CCSS.6.SP.B.5C

A data set can have more than one mode

• True
• False

Tags

CCSS.6.SP.B.5C

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

Tags

CCSS.7.EE.B.3

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

Tags

CCSS.6.SP.B.5C

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Tags

CCSS.7.EE.B.3

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 94
• A score of 91 was slightly below average.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

If a data set is bimodal, how many modes does it have?

• 1
• 2
• 3
• 4

When finding the median, if you have two numbers in the middle, you should

• add them together and divide by two

• find the number in between the two

• find the mean of the two numbers

• all of these

Tags

CCSS.6.SP.B.5C

If a number is added to the set that is in the middle of the data, how does this affect the range?

• increase
• decrease
• stay the same
• both increase and decrease