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1) Using the appropriate formula to construct a 95% confidence interval for a hypothetical case of your choosing. Use your own unique choice of mean, standard deviation, and sample size to calculate the confidence interval. Analyze what will happen to your confidence interval if the confidence changes to 99%
2) Debate if "failing to reject the null" is the same as "accepting the null." Support your position with examples of acceptance or rejection of the null. Next, give your opinion on whether or not a failed t test "proves" the null hypothesis.
a certain researcher thinks that the proportion of women who say that the earth is getting warmer is greater than the
if the level of confidence is increased while the sample size remains the same how will the width of a confidence
The procedure for-each is similar to map. It takes as arguments a procedure and a list of elements. However, rather than forming a list of the results, for-each just applies the procedure to each of the elements in turn, from left to right.
Explain why you would think that the shape you describe above in a) happens with this type of data.The type of data is a collection of waiting times at a local bank in a commercial district during a lunch time. If you were one of these customers,..
1. graph the null hypothesis on a number line.2. determine whether the hypothesis test with the given null and
jim has been employed at gold key realty at a salary of 2000 per month during the past year. because jim is considered
how old are college students? the national age distribution for college students is shown below. national age
Compare a tabular cum sum chart using standardized values h = 5 and k = 1/2. What is the information you learn.
The linear correlation coefficient, r, measures the strength of the linear relationship the variables in a set of ordered pairs (x,y). What is the maximum and minimum values for r?
The annual cost carrying a pound of cheese in a refrigerated storage area is $12. Determine the optimal order size and the minimum total annual inventory cost.
The Z-score cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected.
a researcher reports the following equation for a best-fitting straight line to a set of data points ycirc?1.01x3.24.
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