« previous next »

Author Question: A sample of n = 16 scores has a mean of M = 65 and an estimated standard error of 2 points. What is ... (Read 55 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jun 20, 2018
A sample of n = 16 scores has a mean of M = 65 and an estimated standard error of 2 points. What is the sample variance?
 
  a. s2= 64 c. s2 = 16
  b. s2 = 36 d. s2 = 4

Question 2

A sample with a mean of M = 40 and a variance of s2 = 20 has an estimated standard error of 1 point. How many scores are in the sample?
 
  a. 4 c. 20
  b. 5 d. 21


voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Young adults with low levels of parental support report significantly better scores on measures of ... Young adults with low levels of parental support report significantly better scores on measures of ...
Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ... Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ...
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Varieties of Trigger Points Varieties of Trigger Points
How to sketch a quadratic equation that is in standard form (Question 1) How to sketch a quadratic equation that is in standard form (Question 1)
The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ... The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ...
Video: Conjunctivitis

For a complete list of videos, visit our video library