« 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 64 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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Sample Medicare identification card. Sample Medicare identification card.
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Apply direct pressure to points along the shoulders. Stand to one side and use your forearm to apply ... Apply direct pressure to points along the shoulders. Stand to one side and use your forearm to apply ...
The Standard Rain Gauge The Standard Rain Gauge
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Video: Introduction to Herpes

For a complete list of videos, visit our video library