When is it appropriate to use a Chi-square test?
What will be an ideal response?
Correct Answer:
Chi-square tests are non-parametric analyses used for testing hypotheses about frequencies of categorical or discrete variables. They allow us to make inferences about population frequencies from sample frequencies.
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Which of the following is a potential use for a wiki, according to your friend?
a. Facilitating group authoring c. Acting as a repository for content b. Providing storage for data collection d. All of the above
In the United States today, about 46% of children live with their two married, biological parents
Indicate whether this statement is true or false.
The nutritional guideline that includes the most individualized nutrient information in terms of age/gender grouping is(are):
a. MyPlate b. DRIs c. Percent of Daily Values d. Healthy People 2020
When measuring capacity, which statement is correct about tools that are volumetrically related?
a. They are helpful as young children conceptualize about size and proportion. b. They not appropriate for use with young children. c. They should only used for formal scientific experimentation. d. They are too sophisticated for informal exploration by children.