Statistical Questions and Measures of Center

What are the values for the five number summary?

• 2,4,6,8,10

• 0, 3,5,11,20

• 2, 2.5, 4.5, 10.5, 18

• 2, 3, 5, 11, 18

• Mean will decrease.

• Mean will increase.

• Mean will stay the same.

How many pieces of data are shown on this dot plot?

• Max. - Min = 6-0=6

• 17, I counted the data

• 2, it is in the middle

Here's how much money you make every week for babysitting: $25 $20 $25 $35 $27 $30

Find the MODE

• 25

• 26

• 27

Here's how much money you made every week for babysitting: $25 $20 $25 $35 $27 $30. One week during the summer you make a whopping $125. Will this affect the previous MEAN?

• No, the mean will remain the same

• Yes, the new mean will increase to $47.33

• Yes, the new mean will increase to $41

• Yes, the new mean will decrease to $23

Here's how much money you made every week for babysitting: $25 $20 $25 $35 $27 $30. One week during the summer you make a whopping $125. Will this affect the previous MEDIAN?

• No, the median will stay the same

• Yes, the median will increase to $27

• Yes, the median will increase to $26.50

• Yes, the median will decrease to $25

Here's how much money you made every week for babysitting: $25 $20 $25 $35 $27 $30. One week during the summer you make a whopping $125. Will this affect the previous MODE?

• No, the mode will remain the same

• Yes, the mode will increase to $27

• Yes, the mode will increase to $35

• Yes, the mode will decrease to $20

Find the mean, median, and mode of the data. Label all of the answers!

EXTRA CREDIT! Your score on four tests are:; 100%, 60%, 75%, and 90%. What do you need to score on your fifth test so that your mean test score is 80%?

Tags

CCSS.7.NS.A.3

Which statement is FALSE

• There is a peak at 15 gift bags

• There are 15 data items in the graph

• There is a gap between 14 and 16 gift bags