Stats Review

How would you describe this distribution?

• Left skewed

• Uniform

• Right Skewed

• Symmetrical

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform/Flat

Based on our class data histogram, what appears to be the approximate median hours of screen time?

• 0-2 hours

• 4-6 hours

• 6-8 hours

• 16-18 hours

Which best describes the shape of this histogram?

• Left skewed

• Symmetric

• Right Skewed

How many students have more than 1,000 songs on their MP3 player?

• 5
• 16
• 10
• 4

Which interval has 400 employees?

• 33-43

• 0-10

• 77-87

• 66-76

What percent of people drink 4-7 cups of coffee per week?

• 44.4%
• 11.1%
• 3%
• 16.7%

A data set can have more than one mode

• 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.

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.