[Answered] The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of ...

This topic contains a solution. Click here to go to the answer

Author Question: The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of ... (Read 73 times)

amal

Hero Member
Posts: 572

on: Aug 1, 2018

The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of the following?
a. 9
b. 4,096
c. 8
d. 6,561

Question 2

In a one-tail test, the p-value is found to be equal to 0.068 . If the test had been two-tail, the p-value would have been:
a. 0.932
b. 0.466
c. 0.034
d. 0.136

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

Briannahope

Sr. Member
Posts: 364

Reply #1 on: Aug 1, 2018

Answer to Question 1

c

Answer to Question 2

D

amal

Hero Member
Posts: 572

Reply #2 on: Aug 1, 2018

Thanks

Briannahope

Sr. Member
Posts: 364

Reply #3 on: Aug 1, 2018

Welcome

« previous next »

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Sample of an insurance card.

Sample Advance Directive

Sample prescriptions of antibiotics for dental infections.

A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the

A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL

Author Question: The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of ... (Read 73 times)

Related Topics

Need homework help now?