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

Author Question: A negative value of z indicates that a. the number of standard deviations of an observation is to ... (Read 46 times)

fagboi

  • Hero Member
  • *****
  • Posts: 535
on: Jun 24, 2018
A negative value of z indicates that
 a. the number of standard deviations of an observation is to the right of the mean.
   b. the number of standard deviations of an observation is to the left of the mean.
   c. a mistake has been made in computations, since z cannot be negative.
   d. the data has a negative mean.

Question 2

A sample of 61 items provided a sample mean of 932, a sample mode of 900, and a sample standard deviation of 11 . Test the following hypotheses using  = .05 . What is your conclusion? H0: 2  80 Ha: 2 > 80


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

2 = 90.75 > 79.082 (p-value is between .005 and .01); reject H0
The population variance is more than 80.


fagboi

  • Member
  • Posts: 535
Reply 2 on: Jun 24, 2018
Wow, this really help

tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
A Negative Afterimage A Negative Afterimage
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c) The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c)
How to quickly determine the maximum or minimum value of a quadratic equation in standard form How to quickly determine the maximum or minimum value of a quadratic equation in standard form
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
Observation and Measurement Observation and Measurement
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library