Data and Statistics Quick Check

A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?

• 8

• 12

• 19

• 25

How many more people liked goldfish than snakes?

• 6

• 3

• 5

• 4

Find the Minimum

• 98

• 85

• 68

• 93

• A

• B

• C

• D

Find the median:

3, 5, 7, 4, 3, 1

• 3 and 4

• 3

• 3.5

• 4

Nadia is conducting an experiment where she repeatedly draws a marble from a bag without looking, records its color, and replaces it. She conducted 40 trials in the experiment, with the results shown below. If Nadia were to conduct the same experiment with 2,000 draws, approximately how many times could she expect to draw a yellow marble?

• 400

• 125

• 250

• 500

What is the relative frequency of students speaking Spanish?

• 16%

• 12%

• 24%

• 48%

The table shows the results of a survey about favorite types of stores. Determine the relative frequency for each store.

• clothing: 38%

  electronics: 22%

  pet: 10%

  candy: 30%

• clothing: 19%

  electronics: 11%

  pet: 5%

  candy: 15%

• clothing: 50%

  electronics: 25%

  pet: 5%

  candy: 20%

• clothing: 35%

  electronics: 23%

  pet: 15%

  candy: 27%

A collection of facts, such as numbers, words, measurements, and observations

• data

• categorical data

• numerical data

• trend

• central tendency

What does "mode" mean?

• average

• middle

• repeats the most

• variation