Please explain the logic behind statistical inference.
What will be an ideal response?
The goal of statistical inference is to make supportable conjectures about the unknown characteristics of a population based on sample statistics. Statistical inference refers to using the information we know about a sample to make assertions about the information we do not know about a population.
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The number of people who are actually qualified to vote in an American election is referred to as the _____
A) voting ratio B) voter turnout C) voting community D) registered population E) vote-eligible population
Which statement best describes how judges in Texas are chosen?
A. Trial court judges are elected, and appellate level judges are appointed. B. Trial court judges are appointed, and appellate level judges are elected. C. Texas supreme court justices are elected in nonpartisan races and all other judges are appointed. D. All judges in Texas are elected.
Program evaluation research is one of the fastest growing areas of psychological research because
A) research that encompasses more than one study is more cost effective. B) today's budget concerns make policy makers concerned about whether the money spent on programs is accomplishing the goals intended. C) more psychological programs are being enacted today. D) programs must be tested prior to enactment to ensure the effectiveness of a program.
In a random sample
a. all age groups are taken into account. b. all ethnic groups are taken into account. c. every member of the population has an equal chance of appearing in the sample. d. all religious groups are taken into account. e. all political groups are taken into account.