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Author Question: Which test statistic is calculated for Pearson product moment correlation? a. F b. r c. t d. ... (Read 33 times)

Sufayan.ah

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  • Posts: 512
on: Jul 8, 2018
Which test statistic is calculated for Pearson product moment correlation?
 
  a. F
  b. r
  c. t
  d. 2

Question 2

Which of the following is an exploratory data analysis technique that is used to graphically illustrate the relationship of scores on one variable with scores on another variable?
 
  a. Box-and-whiskers plot
  b. Q-plot
  c. Scatterplot
  d. Stem-and-leaf display


mcomstock09

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: B
The Pearson product moment correlation is represented by the r correlation coefficient statistic
The F statistic is a calculated value that determines significance in data analysis.
The t test uses the standard deviation of the sample to estimate the standard error of the sampling distribution.
X2 is the symbol for the Chi-square statistic.

Answer to Question 2

ANS: C
Scatterplots can be used to illustrate the relationship of scores on one variable with scores on another.
The box-and-whiskers plot is used for exploratory data analysis.
The Q-plot is an exploratory data analysis technique that displays the scores or data in a distribution by quantile.
A stem-and-leaf display presents scores visually to obtain insight.


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