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Kemar Gayle

Kemar G.

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Nick Johnson verified

Numerade educator

Suppose a random sample of 50 basketball players have an average height of 78 inches. Also assume that the population standard deviation is 1.5 inches. Find a 99% confidence interval for the population mean height.

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Shubham Sharma verified

Numerade educator

The histogram pictured here represents the age in years for a fake STAT 1350 class. Which bar will contain the median of this distribution? Ages of 40 Students a. 26.3 - 29.0 b. 23.6 - 26.3 c. It is impossilbe to determine where the median falls in this distribution. d. 20.9 - 23.6

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Shubham Sharma verified

Numerade educator

Estella participates in a bowling league each summer and again each autumn. In Summer 2020, her mean score for the year was 139. For the whole league, the mean score was 148 with a standard deviation of 7. For Autumn 2020, her mean score was 156. The mean for the entire Autumn league was 163 with a standard deviation of 3.5. In which league (summer or autumn) did Estella perform better relative to her peers? For this midterm exam question, please explain your response and round any numeric answers to three (3) decimal places.

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Hubert Agamasu verified

Numerade educator

A researcher who is planning to conduct an experiment with human participants decides to consult one of her colleagues about the data she collected. She shows him the full data set with identifying information during the consultation, even though he was not listed as a member of the research team when she submitted her proposal to the Institutional Review Board. Which of the three main ethical principles did she violate?

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Ameer Said verified

Numerade educator

In order to collect information to help him decide how to vote on a new bill, Ohio Representative David Leland (District 22) decides to survey his constituents. Which of the following procedures for selecting his sample should Rep. Leland use?

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