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Bob made 116 on his accounting midterm and 82 on his biology midterm. For the accounting midterm, the mean score was 102 with standard deviation 14. For the biology midterm, the mean score was 70 with standard deviation of 5. Which score was the higher with respect to the rest of the class? Explain your answer
What is the standard error of the difference between the means?
What do these different scores tell you about the tests in Weeks 1, 2, 3, and 4? What is happening to the students' scores over time?
what value is expected on average for the f-ratio in anova when the null hypothesis is true. explain why this value is
in a large lecture class the professor announced that the range of scores on a recent exam was normally distributed
a drug tester claims that a drug cures a rare skin disease 84 of the time. the claim is checked by testing the drug on
an interaction affect that is not significant indicates thata. the influence of one factor is not the same for each
A diagnostic kit (for measuring a particular protein level in blood) can be used to test 16 blood samples. To check for kit-to-kit consistency the manu facturer tested the blood from 16 patients with two different kits. The data are recorded in..
For a given confidence interval, what is the interpretation of a 96% confidence level?
How can the binomial distribution be used in a business situation? What type of data would you use and what would you learn from this?
How many social robots would need to be sampled in order to estimate the proportion ofrobots designed with legs, no wheels to within .075 of its true value with 99%confidence
Construct and interpret a 95% confidence interval for the mean score on this exam question. Follow the Inference Toolbox.
In a study of the consumer's view of the economy, the probability that a consumer would buy a house during the year was 0.0013, and the probability that the consumer would buy a car during the year was 0.198. There was also a 0.0100 probability t..
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