I need help with quiz for module 4. There is a time limit of60 minutes, which includes unlimited attempts with 12 questions. I also needhelp with module 4 Practice test for extra credit, but score must be at least90% in order for credit to be given. With the practice test there isn’t a timelimit, and also allow for multiple attempts with 16 questions.These questions deal with the following:

Chapter 5, sections 5A, 5B, 5C, & 5D

• Distinguish between an observational study and an experiment.
• Identify flaws and bias in studies.
• Construct and interpret frequency tables.
• Determine whether a variable is quantitative or qualitative.
• Construct and interpret time-series, bar graphs, pie charts, and histograms.
• Solve application problems involving frequency tables and graphs.
• Interpret multiple bar graphs, stack plots, contour maps, and other graphical displays.

Chapter 6, section 6A

• Find the mean, median, and mode of a set of data.
• Determine the effect of outliers on the mean and median.
• State whether the mean, median, or mode gives the best description of the average.
• Describe and analyze distributions.

Chapter 7, sections 7A, 7C, and 7D

• Find outcomes, events, probabilities, and probability distributions.
• Determine the probability of an event not occurring.
• Apply the law of large numbers.
• Calculate and explain the expected value.
• Calculate and interpret vital statistics.
• Calculate the expected profit or loss for an insurance company.
• Find life expectancies.

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