Frequency Tables, Histograms, & Central Tendency

Students at a school took a survey about what kinds of pets they had at home. Students then plotted that information on a frequency table.

How many students have dogs and cats for pets?

• 19

• 12

• 7

• 20

Elliot says almost everyone arrived at the party after 10:00 P.M.,

but Nancy thinks most people came earlier.

When did the majority of the people arrive?

• 7:00-7:59 P.M.

• 8:00–8:59 P.M.

• 9:00–9:59 P.M.

• 10:00–10:59 P.M.

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

How many men had finishing times between 60 and 64 minutes?

• 9

• 0

• 7

• 5

At Donald's Donuts the number of donut holes in a bag can vary.

Help Donald find the mode.

12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

Roger bowled 7 games last weekend.

His scores are:

155, 165, 138, 172, 127, 193, 142.

What is the range of Roger's scores?

• 193

• 127

• 60

• 66

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 4.1

• 6

• 4.5

• 4

Find the median of these numbers:

4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

Cory has received the following grades this term: 75, 87, 90, 88, 79. If he wishes to earn an 85 average, what must he score on his final test?

• 96

• 91

• 85

• 419

What type of histogram is this illustrating?

• uniform

• symmetric

• skewed

• cannot be determined