Math 7 April 12

What is the interquartile range (IQR) of the data set?

• 20

• 25

• 5

• 10

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

• 127

• 155

• 156

• 193

11. What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

What percent of the data is between 25 and 30 on the number line?

• 25%

• `50%

• 75%

• 100%

Which city, Nashville or Dallas, has the smallest minimum temperature?

• Nashville

• Dallas

Each homeroom collected cans for a food drive.  
Mr. Peterson       45 cans
Miss Johnson      63 cans
Mrs. Westelle      92 cans
Mrs. Doeling        27 cans
Mr. Alford            115 cans
Mrs. Cooper          ?
Which number of cans can be added for Mrs. Cooper's homeroom so that the median and the mode of the cans collected will be equal?

• 27

• 54

• 63

• 115

For FFA, Mr. Burton bought 7 calves for $3,500.  He later bought another calf for $600.  What is the mean cost for all of the calves?

• $512.50

• $525

• $550

• $575

The table below shows how much a waiter earned during the first four days of the week.
Monday $35
Tuesday $30
Wednesday $40
Thursday $40
How much does the waiter need to earn on Friday to have an average earning of $40 per day?

• $45

• $55

• $60

• $40

Which measure of central tendency is MOST EASILY affected by outliers?

• mean

• median

• mode

• IQR

Which set of data has a higher mean?
BOB:  1.3, 3.1, 4.1, 2.5, 2.2,  2.8
MEGAN: 5.5, 1.1, 1.2, 2.4, 3.8, 2.0, 1.9

•  BOB > MEGAN

• BOB < MEGAN

• BOB=MEGAN