Question

Asked Dec 4, 2019

1 views

Chi-square tests are best used for which type of dependent variable?

- nominal; ordinal
- ordinal interval
- nominal; interval
- nominal; ratio

Step 1

A Chi-square distribution is the sum of squares of the standard normal deviates. The Chi-square is used for checking the association between categorical variables. The test is used to decide...

Tagged in

Q: Explain the difference between an independent and dependent sample. Give an example of each.

A: Dependent samples:The two samples are said to be dependent if there exist an effect of one on anothe...

Q: Chi-square is used to test differences between _________.

A: Introduction Chi-square test is used when we want to compare the categorical variables. The two typ...

Q: If the correlation coefficient for X and Y is calculated to be –.75, what is the proportion of varia...

A: Coefficient of determination:It also referred as R-square. The coefficient of determination is the s...

Q: In a survey, 14 people were asked how much they spent on their child's last birthday gift. The resul...

A: The degrees of freedom is obtained as follows:

Q: Suppose the President wants an estimate of the proportion of the population that support his current...

A: Given dataError = 4% = 0.04Confidence level = 0.95Significance level = α=1-0.95=0.05

Q: Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed te...

A: a) To determine the critical values for a right tailed testThe given information’s area=0.10 level o...

Q: Assume that on a standardized test of 100 questions, a person has a probability of 80% of answering ...

A: It is given that the probability of answering any particular question is 0.80. The total number of s...

Q: Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily trav...

A: Consider that n1 and n2 are the sample sizes of sales and adult, respectively.Consider that S1 and S...

Q: Assume that adults have IQ scores that are normally distributed with a mean of u 100 and a standard ...

A: The probability that a randomly selected adult has as IQ less than 127 is 0.9641, which is obtained ...