statsreviewquizmultiplechoice

statsreviewquizmultiplechoice

Click here to ORDER an A++ paper from our MASTERS and DOCTORATE WRITERS;statsreviewquizmultiplechoice

Your assignment woes end here!

1. The two properties about a set of measurements of a dependent variable that we are most interested in describing are:

a. frequency and average.
b. average and correlation.
c. central tendency and dispersion.
d. histograms and polygons.
     

2. The ________________ is the sum of all the scores divided by the number of scores.

a. median
b. mean
c. mode
d. standard deviation
     

3. The generally preferred measure of central tendency is usually the

a. range
b. mean
c. standard deviation
d. Median

4. Which of the following is the most useful descriptive statistic for measuring dispersion?

a. Range
b. Variance
c. mean deviation
d. standard deviation
     

 

 

5. The standard deviation is

a. the square of the variance.
b. the square root of the variance.
c. smaller than the mean.
d. the difference between the highest and lowest scores.
     

6. If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z score (or standard score) of

a. 1.00
b. 0.00
c. 2.00
d. -2.00
     

7. Inferential statistics allow you to decide whether a difference between the experimental and the control group is due to _______________ or ________________.

a. manipulation; chance
b. manipulation; experimental error
c. sampling error; independent variable
d. independent variable; experimental error
     

8. The null hypothesis suggests that the two samples come from ___________ distribution(s), and the experimental hypothesis suggests that the two samples come from _____________ distribution(s).

a. different; different
b. different; the same
c. the same; different
d. the same; the same
     

9. The power of a statistical test refers to its ability to

a. reject false null hypotheses.
b. reject false experimental hypotheses.
c. reject true null hypotheses.
d. reject true experimental hypotheses.
     

10. Simple analysis of variance is used in designs having

a. one independent variable
b. more than one independent variable
c. more than one independent variable (IV) but less than four IVs
d. more than one dependent variable
     

11. The number of participants in a study is denoted by

a. s.
b. n.
c. z.
d. r.
     

12. A _____________ is a complete set of measurements.

 

a. sample
b. population
c. random sampling
d. parameter
     

13. _____________ is one way of ensuring that a sample is representative of the population.

a. The two-tailed test
b. The between-subjects design
c. The sign test
d. Random sampling
     

14. If we conduct an experiment on average young, white, college males, inferential statistics allow us to generalize to the population of

a. average young, white, college males.
b. college male students.
c. college students.
d. young adults.
     

15. If we apply an alpha level of .05, and there really is no effect of the experimental manipulation, then one should make a Type I error

a. 5% of the time.
b. 10% of the time.
c. 15% of the time.
d. 95% of the time.
     

16. Which of the following would be considered the most conservative alpha level?

a. .01
b. .05
c. .10
d. .15
     

17. The prediction that alcohol slows reaction time is

a. nondirectional.
b. directional.
c. semidirectional.
d. partially directional.

18. Two-tailed tests are _______________ conservative and ______________ powerful than one-tailed tests.

a. less; less
b. less; more
c. more; less
d. more; more
     

19. The _____________ indicates the number of scores that are free to vary.

a. U
b. degrees of freedom
c. magnitude of effect
d. point biserial
     

20. The ____________ is used to analyze the results when there are more than two groups.

a. t-test
b. z-test
c. analysis of variance
d. none of the above
     

 

21. The __________ maintains that two conditions do not differ.

a. experimental hypothesis
b. level of confidence
c. law of effect
d. null hypothesis
     

22. A conservative statistical test is one that

a. minimizes both Type I and Type II errors.
b. minimizes Type I errors, but increases the chance of Type II errors.
c. minimizes Type II errors, but increases the chance of Type I errors.
d. increases the chance of both Type I and II errors.
     

23. What are inferential statistics used for?

a. summarize the mean and standard deviation of the data
b. estimate if differences between groups are by chance
c. describe the data from 2 unrelated groups
d. describe the relationship within a set of data
     

24. Descriptive statistics are used to:

a. compare the significance of the difference between 2 data sets
b. test the difference between the means
c. describe the observations
d. describe the type one error in an experiment
     

 

 

25. Which of the following is not a characteristic of the normal curve:

a. bell-shaped
b. represents 100% of the scores under the curve
c. 100 is at the center
d. allows us to determine rank

Click here to ORDER an A++ paper from our MASTERS and DOCTORATE WRITERS;statsreviewquizmultiplechoice

Your assignment woes end here!

Who We Are

We are a professional custom writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework.

Do you handle any type of coursework?

Yes. We have posted over our previous orders to display our experience. Since we have done this question before, we can also do it for you. To make sure we do it perfectly, please fill our Order Form. Filling the order form correctly will assist our team in referencing, specifications and future communication.

Order Now

Is it hard to Place an Order?

ORDER NOW FOR AN ORIGINAL PAPER ASSIGNMENT

1. Click on the  “Order Now” on the main Menu and a new page will appear with an order form to be filled.

2. Fill in your paper’s requirements in the “PAPER INFORMATION” section and the system will calculate your order price/cost.

3. Fill in your paper’s academic level, deadline and the required number of pages from the drop-down menus.

 

4. Click “FINAL STEP” to enter your registration details and get an account with us for record-keeping and then, click on “PROCEED TO CHECKOUT” at the bottom of the page.

 

100% Reliable Site. Make this your Home of Academic Papers.

Order Button Paypal

Always Order High-Quality Academic Papers from HERE 

 

5. From there, the payment sections will show, follow the guided payment process and your order will be available for our writing team to work on it.

SCORE A+ WITH HELP FROM OUR PROFESSIONAL WRITERS: ORDER NOW FOR AN ORIGINAL PAPER ASSIGNMENT

We will process your orders through multiple stages and checks to ensure that what we are delivering to you, in the end, is something that is precise as you envisioned it. All of our essay writing service products are 100% original, ensuring that there is no plagiarism in them. The sources are well-researched and cited so that it is interesting. Our goal is to help as many students as possible with their assignments, i.e. our prices are affordable and services premium.

Looking for a Similar Assignment? Order a custom-written, plagiarism-free paper

Your assignment woes end here!!!

Get a 25 % discount on an order above $ 100
Use the following coupon code :
Nursing25