Q1. A professor hypothesizes that there will be a positive relationship between
ID: 3292939 • Letter: Q
Question
Q1. A professor hypothesizes that there will be a positive relationship between couples’ listening skills and length of marriage. She has a _______.
Q2. Statistics have found that it takes a sample size of about__ to fulfill the assumption of parametric statistics that the sample is large enough to represent the population.
Q3. The t-statistic value is also called the______
Q4.a researcher wants to study the impacts of pizza consumption on the happiness of a college freshman. sophomores, and juniors. What test statistic would the researcher need to use to evaluate the difference in effectiveness between the groups?
Explanation / Answer
Q1. Answer: bias
EXPLANATION: The profeesor is biased with her own experience and so her hypothesis is not acceptable.
Q2. Answer: 30
EXPLANATION: By convension, sample size = n < 30 is considered as small ample. Sample size = n > 30 is taken as large sample
Q3: Answer: Student's t statistic.
EXPLANATION: t distribution was defined by W.S. Gorgett and he has used "Student" as his pen name.
Q4. Answer ANOVA
EXPLANATION: Analysis of Variance (ANOVA) is a technique used to test equality of means, when more than two populations are considered.
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