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

Author Question: Suppose that 10 observations are drawn from a normal population whose variance is 64 . The ... (Read 87 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jun 24, 2018
Suppose that 10 observations are drawn from a normal population whose variance is 64 . The observations are: 58, 62, 45, 50, 59, 65, 39, 40, 41, and 52 . Test at the 10 level of significance to determine if there is enough evidence to conclude that the population mean is greater than 45.

Question 2

Comparing the output of strawberries grown on plots using fertilizer A with that grown on otherwise identical plots using fertilizer B, in order to make a general assessment of relative fertilizer effectiveness, may well call for a:
 a. Friedman test. c. Wilcoxon rank-sum test.
  b. Kruskal-Wallis test. d. Spearman rank correlation test.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 24, 2018
Answer to Question 1

H0:  = 45, H1:  > 45
Test statistic: z = 2.41
p-value = 0.008
Reject H0 . Yes, there is enough statistical evidence at the 10 significance level to conclude that the population mean is greater than 45.

Answer to Question 2

C


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jun 24, 2018
Gracias!

rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Exponential population growth. Exponential population growth.
Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d
GUIDELINES FOR ASSESSING MEMBERS OF VULNERABLE POPULATION GROUPS GUIDELINES FOR ASSESSING MEMBERS OF VULNERABLE POPULATION GROUPS
Normal changes in the breast during a woman's life span Normal changes in the breast during a woman's life span
Normal oxygen sensor frequency is from about one to five times per second. Normal oxygen sensor frequency is from about one to five times per second.
Normal conduction pathway in the heart Normal conduction pathway in the heart
Video: Automated external defibrillator (AED)

For a complete list of videos, visit our video library