I just need help with this assignment. I've got some of the answers, but i'm not completely sure about them so help would be appreciated. 1
Data Analysis Assignment 4
Make sure you do the following:
Type your name on your paper (please read the formatting file to see how)
Under your name, put STAT 250 with your correct section number (e.g. STAT 250-00X)
Type Data Analysis Assignment 4
centered on Page 1.
Number and letter the answers accordingly and keep the problems in order.
Use complete and coherent sentences to answer the questions.
Please title and label all of your graphs correctly
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Problem 1: Got Milk
According to the U.S. Department of Agriculture, 58.8% of males between 20 and 39 years old
consume the minimum daily requirement of calcium.
After an aggressive “Got milk” advertising
campaign, the USDA conducted a survey of 55 randomly selected males between the ages of 20
and 39 and found that 36 of them consume the recommended daily allowance of calcium.
Construct a 99% confidence interval for the above data.
Show your work using the
formulas and verify your work using StatCrunch.
= 0.01, is there evidence to conclude that the percentage of males between the
ages of 20 and 39 who consume the recommended daily allowance of calcium has
Conduct a full hypothesis test by following the steps below.
State the null and alternative hypotheses.
State the significance level for this problem.
Check the conditions that allow you to use the test statistic, and, if
appropriate, calculate the test statistic.
-value and include the probability notation statement.
State whether you reject or do not reject the null hypothesis.
State your conclusion in context of the problem (i.e. interpret your results).
Explain the connection between the confidence interval and the hypothesis test in this
problem (discuss in relation to the decision made from your hypothesis test).