In a chi-square test for goodness of fit, the null hypothesis is that: the numbe

Question

In a chi-square test for goodness of fit, the null hypothesis is that: the number of people in one category is no greater than the number of people in the other the variances of the populations of categories are the same the proportion of people over categories breaks down the same for the two populations the means of the two populations of categories are the same which of the following research questions cannot be answered using a chi-square analysis? Does the percentage of students at Greenwood College who prefer decaffeinated coffee differ from Do Wight-haired people prefer small dogs to large or mid-sized dogs? Do children change their preferences for sugar cereals after viewing a healthy eating ad campaign? Do more first-year students than second-year college students use the library as their primary study A sample that comes from a normally distributed population might have more members than the population is often approximately normally distributed is always normally distributed is almost always curvilinear

Explanation / Answer

Question 18 option 3

Proportion of people over categories break down to same over 2 populations

Question 19 option 2

Do light haired people prefer smaller dog to large or mid sized dogs

Question 20 option 3

Is always normally distributed

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