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QUIZ

12th

grade

48%

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Gerald Gamboa

4 years

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20 questions

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- 1. Multiple Choice1 minute1 pt
A consumer confidence researcher asks several retailers to report the number of LCD televisions sold during a particular month. These numbers most likely represent what level of measurement?

Ordinal

Ratio

Interval

Nominal

- 2. Multiple Choice1 minute1 pt
A student evaluation of teaching effectiveness for a particular course asks students to respond to their level of agreement with several statements according to the scale 1 = Strongly Agree, 2 = Agree, 3 = Neutral, 4 = Disagree, and 5 = Strongly Disagree. The responses indicate what level of measurement?

Ordinal

Ratio

Interval

Nominal

- 3. Multiple Choice1 minute1 pt
The nominal level of measurement is represented in which variable below?

Fear of Crime

Temperature

Marital Status

Gender

Income

- 4. Multiple Choice1 minute1 pt
The ordinal level of measurement is represented in which variable below?

Confidence Level

Gender

Level of Agreement

Height

Age

- 5. Multiple Choice30 seconds1 pt
A parametric statistical test is one that makes assumptions about the parameters (defining properties) of the population distribution(s) from which one's data are drawn.

True

False

- 6. Multiple Choice1 minute1 pt
What are the examples of Parametric Test?

T-test

One-way ANOVA

Chi-Square Test of Independence

Pearson r Correlation

Regression

- 7. Multiple Choice1 minute1 pt
Which of the following tests is the non-parametric equivalent of Pearson r correlation?

Kolmogorov-Smirnov Test

Shapiro-Wilk Test

Spearman Correlation

Chi-square Test of Independence

- 8. Multiple Choice1 minute1 pt
What are the assumptions of a Parametric test?

Normality of Data

Homogeneity of Variances

Linearity

- 9. Multiple Choice30 seconds1 pt
Levene’s Test is used to test the equality of variances.

True

False

- 10. Multiple Choice2 minutes1 pt
In hypothesis testing, a Type 2 error occurs when

The null hypothesis is not rejected when the null hypothesis is true.

The null hypothesis is rejected when the null hypothesis is true.

The null hypothesis is not rejected when the alternative hypothesis is true.

The null hypothesis is rejected when the alternative hypothesis is true.

- 11. Multiple Choice1 minute1 pt
Which one of the following variables is not categorical?

Age of a person

Gender of a person

Choice on a test item

Marital status of a person

- 12. Multiple Choice2 minutes1 pt
A team of psychologists are interested in the effects of sleep deprivation on new learning. College students (

*N*= 10) stay in a sleep lab for 2 days. Five participants are randomly assigned to an experimental condition in which they are not permitted to sleep during that period; the other five participants are allowed to sleep when they wish. At the end of two days, all participants attended a class that taught the principles of gene combination. They were given a test after the end of the class and counted the number of correct answers. Which of the following statistics would you recommend to test their hypothesis?Chi-square Test of Independence

Independent Samples T-Test

Dependent Samples T-Test

Pearson r Correlation

Linear Regression Analysis

- 13. Multiple Choice1 minute1 pt
To investigate relationships, pearson r correlation can be used when the analysis involves two continuous variables.

True

False

- 14. Multiple Choice1 minute1 pt
Multiple regression analysis enables an understanding of a set of dependent variables for their ability to explain variance in the independent variables.

True

False

- 15. Multiple Choice1 minute1 pt
Regression analysis has stringent assumptions that must be checked before running the tests to ensure they are not violated towards achieving a good regression model.

True

False

- 16. Multiple Choice2 minutes1 pt
You conduct a study to examine the relationship between age and the number of occurrences of back pain that a person has experienced in their lifetime. You sample 10 people at random from the phone book. What statistical test can be used to predict the number of occurrences of back pain that someone should expect to have by the time they are 40 years old?

Pearson r correlation

One-way ANOVA

Independent samples t-test

Regression Analysis

- 17. Multiple Choice1 minute1 pt
What is the direction of relationship if the values of X and Y go in opposite direction (Y decreases as X increases)

Positive

Negative

- 18. Multiple Choice1 minute1 pt
The closer to zero the stronger the linear relationship and the closer to 1.0 the weaker the linear relationship.

True

False

- 19. Multiple Choice1 minute1 pt
Regression Analysis is used to predict how one variable will change with another

True

False

- 20. Multiple Choice1 minute1 pt
A Pearson test statistic of .876 with a critical value of 0.361 would suggest what?

This would suggest that there is a non-significant, weak, negative relationship.

This would suggest that there is a significant, strong, negative relationship.

This would suggest that there is a significant, strong, positive relationship.

This would suggest that there is a significant, weak, positive relationship.

This would suggest that there is a non-significant, weak, positive relationship.

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