This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A researcher obtains a negative value for a chi-square statistic. What can you conclude because the ... (Read 57 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jun 20, 2018
A researcher obtains a negative value for a chi-square statistic. What can you conclude because the value is negative?
 
  A) The observed frequencies are consistently larger than the expected frequencies.
  B) The expected frequencies are consistently larger than the observed frequencies.
  C) There are large differences between the observed and expected frequencies.
  D) The researcher made a mistake; the value of the chi-square cannot be negative.

Question 2

Why are t statistics more variable than z-scores?
 
  A) The extra variability is caused by variations in the sample mean.
  B) The extra variability is caused by variations in the sample variance.
  C) The extra variability is caused by variations in the df value.
  D) The extra variability is caused by the large sample size.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macagnavarro

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


viki

  • Member
  • Posts: 525
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
A negative feedback loop. A negative feedback loop.
Negative reading oxygen sensor voltage can be caused by several problems. Negative reading oxygen sensor voltage can be caused by several problems.
How to complete the square How to complete the square
In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library