CP Probability & Statistics

What type of graph is shown at the right?

• A. Histogram

• B. Time Series Graph

• C. Frequency Polygon

• D. Pareto Chart

• E. Circle Graph/Pie Chart

What type of graph is shown at the right?

• A. Histogram

• B. Time Series Graph

• C. Frequency Polygon

• D. Pareto Chart

• E. Circle Graph/Pie Chart

Which of the statistics listed below is a measure of the spread of data? (Select all that apply.)

• median

• IQR

• range

• standard deviation

Which of the following are categorical variables? Check ALL that apply

• Gender

• GPA

• Height

• Ethnicity

Which of the following pictures would represent a normal curve?

• 
• 
• 
• 

Use the Venn diagram to find the probability that a randomly chosen doctor from Leoneville General is...

A male surgeon

• 0.39

• 0.58

• 0.19

• 0.68

Compare the mean and the median of the pictured distribution.

• The mean is greater than the median.

• The mean is less than the median.

• The mean equals the median.

• Not enough information given to compare the mean and median.

2.

Complete the definition:

A _______ is a subset of a population

• sampel

• group

• statistics

• sample

A type of probability that describes what should happen for an event.

• experimental probability
• theoretical probability
• odds
• probability

Julie average 85 on her first three tests of the semester in her mathematics class. If she scores 93 on each of the remaining tests, her average will be 90. Which equation could be used to determine how many tests, , are left in the semester?

• $\frac{255+93T}{3T}=90$

• $\frac{255+90T}{3T}=93$

• $\frac{255+93T}{T+3}=90$

• $\frac{255+90T}{T+3}=93$