Quiz

It is an analysis that is used to describe the strength and direction of the linear relationship between two variables.

• Correlation Analysis

• Relationship

• Analysis

• Either A or B

It is designed for interval level (continuous) variables. It can also be used if you have one continuous variable (e.g. scores on a measure of self-esteem) and one dichotomous variable (e.g. sex: M/F).

• Pearson r

• Spearman rho

• Neither A nor B

• Both A and B

It is designed for use with ordinal level or ranked data.

• Pearson r

• Spearman rho

• Either A or B

• None of the above

A correlation of 0 indicates no relationship between the two variables.

• True

• False

• Either A or B

• None of the above

In determining the strength of relationship, what correlation indicates a perfect positive correlation?

• 0

• 1

• -1

• None of the above

A descriptive feature of a correlation indicates that as scores on one of the correlated variables increases, scores on the other variable decrease, or vice versa.

• negative correlation

• positive correlation

• Either A or B

• none of the above

The following are nominal variables except:

       

• name

• religion

• gender

• body temperature

Which of the following is an interval data?

• salary of 20,000sar

• red

• blue

• green

It is considered a ‘normal’ curve, as demonstrated by the bell shape.

      

• leptokurtic

• platykurtic

• mesokurtic

• kurtosis

This is the middle number in a data set, when those numbers have been ordered numerically from lowest to highest (or vice versa).

      

• normal distribution

• mode

• median

• mean