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

Author Question: In a normal distribution with standard deviations, how is the area designated in which 47.5 of ... (Read 68 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 8, 2018
In a normal distribution with standard deviations, how is the area designated in which 47.5 of scores are higher than the mean and 47.5 are lower than the mean?
 
  a. one standard deviation above and below
  b. two standard deviations above and below
  c. three standard deviations above and below
  d. the score reflecting the mean, median, and mode

Question 2

Which of the following is used when data collection involves unlike data, such as a measurement of bone density compared to obesity measured as a percentage of body fat?
 
  a. alpha
  b. standard deviation
  c. t test
  d. z scores


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

6ana001

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 8, 2018
Answer to Question 1

b. two standard deviations above and below

Answer to Question 2

d. z scores


fox

  • Member
  • Posts: 540
Reply 2 on: Jul 8, 2018
YES! Correct, THANKS for helping me on my review

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Summation of Heart Sounds, Normal Physiological Split of S1 Summation of Heart Sounds, Normal Physiological Split of S1
Inline four-cylinder engine showing principal and nonprincipal ends. Normal direction of rotation is ... Inline four-cylinder engine showing principal and nonprincipal ends. Normal direction of rotation is ...
(A) Normal glomerulus and (B) acute glomerulonephritis. (A) Normal glomerulus and (B) acute glomerulonephritis.
Distribution and Forms of Precipitation: Freezing Rain Distribution and Forms of Precipitation: Freezing Rain
Right lateral view showing low normal curves of the vertebral column Right lateral view showing low normal curves of the vertebral column
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library