Intro to Stats

Which of the following is NOT a statistical question?

• What is the population of New York City?

• What is the average temperature in summer?

• What is the most popular sport in the world?

• What is the color of an apple?

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Compare the grades on a final math test of 25 students who use calculators and 25 students who do not use calculators. The students decide which group they are in.

• Experiment

• Observational Study

Last years, 34% of Ms. Young’s students received A – grade from her class.

Identify the population

• 34% of Ms. Young's students

• Ms. Young's students

• Ms. Young's classes

• A-grades

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

• 10

• 12

• 10 and 12

• No Mode

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?

• List both of the numbers as the Median.

• Add the two numbers together and divide by 2.

• Pick the one that you want.

• Subtract the two numbers.

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1, 0, 1, 5, 0, 3, 4.  What is the average number of cavities?

• 14

• 2

• 7

• 1

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