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Food intake and NEAT. Nonexercise activity thermogenesis (NEAT) provides a partial explanation for the results you found in the previous exercise. NEAT is energy burned by fidgeting, maintenance of posture, spontaneous muscle contraction, and other activities of daily living. In the study of the previous exercise, the 16 subjects increased their NEAT by 328 calories per day, on average, in response to the additional food intake. The standard deviation was 256.
(a) Test the null hypothesis that there was no change in NEAT versus the two-sided alternative. Summarize the results of the test and give your conclusion.
(b) Find a 95% confidence interval for the change in NEAT. Discuss the additional information provided by the confidence interval that is not evident from the results of the significance test.
Suppose each trial for pins takes 12 minutes and each trial for shafts takes 25 minutes. What is the expected value and variance of the total time required?
What is the difference between the sal and compa measures of pay - What conclusions can you make about the issue of male and female pay equality?
Determine 95% confidence interval for the population mean, based on the sample mean.
in a particular region of cape cod it is known that lobstermen trap on average of 32 pounds of lobster per day with a
determine the critical region and critical values for z that would be used to test the null hypothesis at the given
Special causes. Is each of the following examples of a special cause most likely to first result in (i) one-point-out on the s or R chart, (ii) one-point-out on the chart, or (iii) a run on the chart? In each case, briefly explain your reasoning..
the produce manager for a large retail food chain is interested in estimating the percentage of potatoes that arrive on
State the hypotheses for a right-tailed test.
the following data lists the avarage monthly snowfall for january in 15 cities around the us13 31 15 3 26 47 24 21 44
Perform 5 t-tests on the data comparing C1 to C2 on each of the 5 questions. Indicate which of the 5 variables has a difference between C1 and C2.
Based on the information in given Exercise, if the student chosen is known to be on a sports team, what is the probability that the student is a female?
A 90% confidence interval for p1 - p2 given counts of 148 yes out of 170 sampled for Group 1 and 12 yes out 110 sampled for Group 2. Give the best estimate for p1 - p2, the margin of error, and the confidence interval.
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