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If you had a research problem appropriate for ANOVA and it was based on the results from three samples, what would be the null hypothesis?
Find the probability that all four have blue eyes.- Find the probability that none has blue eyes.- Find the probability that exactly two have blue eyes.
Define the standard error of the mean. What happens to the standard error as the sample size increases? Explain
find the z value based on standard normal distribution for each of the following 88 confidence interval for a
Perform the goodness-of-fit test for these data to determine if these trees are randomly scattered. Write a short report giving the details of your analysis and your conclusion.
Paperbacks are $1.15 each, and hardcover books are $3.70. Of the 100 books sold last Tuesday morning, 95 were paperback and the rest were hardcover. What was the weighted mean price of a book?
you conducted a t-test in your research. you did not find a statistically significant difference between your groups
Explain the notion of hypothesis testing. What is the general process that one should follow in conducting a hypothesis test?
a wrecking ball a is released from rest with angle b. when the ball hits the structure to be demolished the calbe
Comment on any problems you see with the use of the mean and standard deviation as summary statistics.- How well do you think the Normal model will work on these data? Explain.
A consumer agency wants to estimate the proportion of all drivers who wear seat belts while driving. Assume that a preliminary study has shown that 76%.
some plastic rods are automatically cut into lengths of 6 in. actual lengths are normally distributed about a mean of 6
For this assignment, you will examine the use of qualitative data for a business scenario.
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