Exam 16: Correlation Between Numerical Variables

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

Consider the data set shown. The mean X value is 6 and the mean Y value is 5. 2 3 4 5 6 6 7 8 8 6 9 8 -What would the standard error of the Spearman's rank correlation coefficient be for this data set?

(Multiple Choice)
4.8/5
(32)

Consider the data set shown. The mean X value is 6 and the mean Y value is 5. ​ 2 8 5 5 6 1 8 4 9 7 -What would the correlation coefficient be for this data set?

(Multiple Choice)
4.8/5
(42)

Consider the data set shown. The mean X value is 6 and the mean Y value is 5. ​ 2 8 5 5 6 1 8 4 9 7 ​ -What would the standard error of the Spearman's rank correlation coefficient be for this data set?

(Multiple Choice)
4.9/5
(47)

Correlation coefficients for studies using different ranges of values can be compared as long as 50% of the range overlaps.

(True/False)
4.8/5
(27)

Which of the following is not a factor that can adversely influence the accuracy of a correlation analysis?

(Multiple Choice)
4.8/5
(41)

Measurement error will tend to decrease the absolute value of the correlation coefficient.

(True/False)
4.7/5
(24)

When transforming variables in a correlation analysis, both the X and Y values must be transformed.

(True/False)
4.9/5
(41)

Spearman's rank correlation measures the strength and direction of the linear association between the ranks of two variables.

(True/False)
4.9/5
(36)

Attenuation is the term that describes how measurement error tends to move the correlation coefficient closer to zero than its true value.

(True/False)
4.9/5
(39)
Showing 41 - 49 of 49
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)