How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed ...

Author Question: How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed ... (Read 45 times)

sdfghj

Hero Member
Posts: 552

on: Jun 20, 2018

How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed test with = .05?

A) n = 14
B) n = 13
C) n = 12
D) n = 11

Question 2

A sample obtained from a population with = 12 has a standard error of 2 points. How many scores are in the sample?

A) n = 36
B) n = 24
C) n = 6
D) n = 3

samiel-sayed

Sr. Member
Posts: 337

Reply #1 on: Jun 20, 2018

Answer to Question 1

A

Answer to Question 2

A

Need homework help now?

Ask unlimited questions for free

Ask a Question

sdfghj

Hero Member
Posts: 552

Reply #2 on: Jun 20, 2018

Thank you!

samiel-sayed

Sr. Member
Posts: 337

Reply #3 on: Jun 20, 2018

Happy to help

« previous next »

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.

A star-forming region in the Large Magellanic Cloud.

Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta

China's proposed supercollider plans to be twice the size of the Large Hadron Co

Sample Advance Directive

Sample prescriptions of antibiotics for dental infections.

Correlation between the Mendelian postulates of segregation

Author Question: How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed ... (Read 45 times)

Related Topics

Need homework help now?