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Identify the structures at A Identify the structure at D Identify the structure at F Identify the structure at G

The results of a recent poll on the preference of shoppers regarding two products are shown below.ProductShoppers SurveyedShoppers FavoringThis ProductA800560B900612 The point estimate for the difference between the two population proportions in favor of this product (Product A – Product B) is _____.

The chi-square distribution is takes values between ____ and ________

Dean of students affairs at ACME University wants to make a CI for the proportion of students who cheat.  What is the minimum sample size required to do this if the width of the interval is to be no more than 0.04 and she thinks the students fairly honest, and that probably no more than 8% really cheat.

If the alternative hypothesis is that the proportion of items in population 1 is larger than the proportion of items in population 2, then the null hypothesis should be _____.

The academic planner of a university thinks that at least 35% of the entire student body attends summer school. The correct set of hypotheses to test their belief is _____.

A goodness of fit test checks to see if the data came from some specified population or distribution.

A political scientist is studying the impact of a political debate between candidates for governor in small western states. The scientist wants to evaluate the proportion of registered voters who switch their preference after viewing the debate. The following table contain the data from 75 registered voters. PreferenceBefore Debate PreferenceAfter Debate Total(Before Debate) Candidate A  Candidate B Candidate A  30 11 41 Candidate B 4 30 34 Total(After Debate) 34 41 75 At alpha=0.05 do we have enough evidence to conclude that lower proportion of people like candidate A after the debate compared to the proportion of people who liked candidate A before the debate.

The following information was obtained from matched samples:IndividualMethod 1Method 2175259368477556 The point estimate for the mean of the population of differences is _____.

In one-way ANOVA the total variance is partitioned into two components.