Data Analysis Mix Review

The dot plot below represents the number of hours that students spent on homework last week. What is the range of the data?

The dot plot below represents the number of hours that students spent on homework last week. What is the median of the data?

The dot plot below represents the number of hours that students spent on homework last week. What is the mode of the data?

The dot plot below represents the number of hours that students spent on homework last week. What is the mean of the data? (round to the nearest whole number)

• 8

• 5

• 4

• 3

Use these test grades to answer the following question.

What is the median test grade?

Use these test grades to answer the following question.

What is the mode of the test grades?

Use these test grades to answer the following question.

What is the range of the test grades?

Use these test grades to answer the following question.

Which grade is the outlier?

Would the shape of the data be:

• Uniform

• Symmetrical

• Skewed left

• Skewed right

An absent student took the test and made a 50. What affect, if any, will this have on the mean test grade?

• Increase the mean

• Decrease the mean

• no affect

• This is not the correct answer. Don't pick this answer.