Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
The major purposive of descriptive statistics is:
|
data reduction.
|
|
|
PRofessor Green wishes to employ inferential statistics. Which of the following is not an assumption he should keep in mind in using sch statistics?
|
He should attain a 50 percent or better response rate.
|
|
|
The proportionate reduction of error principle involves comparing:
|
errors made on the dependent variable alone wth errors made knowing both the independent and dependent variables.
|
|
|
Professor Pegret has a hunch that Capricorns are usually jewish. To assess the relationship between zodiac sign and religion, she should use which statistic?
|
Lambda.
|
|
|
The regression line drawn through a scattergram plotting cases on two variables:
|
is drawn to minimize the deviations between each case and the line.
|
|
|
Which of teh following best represents what gamma measures?
|
Similarites and dissimilariaes in rank ordering of each pair of cases acrss two variables.
|
|
|
To find out the relationship between age and frequency of movie attendance, a researcher would use which of the following statistics?
|
Pearson's r
|
|
|
Professor George has studied the relationship between age and church attendance in a sample of 50 people. He used regression analysis. The oldest person in his sample is 58. A friend wants him to estimate the church attendance for someone who is 64. Which strategy would be best?
|
Extrapolation.
|
|
|
Thek ey factor in determining which measure of association to use is:
|
the level of measurement of the variables.
|
|
|
Prfessor Geertseb calculated a stanard error of two percent in his study of support for a tuition reduction at a university, and foundthat 40 percent supported the motion. What isthe confidence interval for the 95% Confidence level?
|
36 to 44
|
|
|
Which of teh following is an example of the null hypothesis?
|
There is no difference between males and females on voting.
|
|
|
A student calculted a chi square significance level of .01 for a table relating gender to liberalism for those 18-25 years old. She calculated a chi square significance level of .5 for the same two variable for those 26-35 years old. Which of the following best summarizes the findings?
|
She can be more sure of a real relationship between gender and liberalism among those 18-25.
|
