Value of z-score based on mean and standard deviation

Assignment Help Basic Statistics

Reference no: EM1313320

Find the number of standard deviations from the mean. Round to the nearest hundredths.

The average number of days absent per student per year at West Valley School is 17 days with a standard deviation of 4 days. How many standard deviations from the mean is 6 absent days?

a. About 2.17 standard deviations below the mean

b. About 2.17 standard deviations above the mean

c. About 2.75 standard deviations above the mean

d. About 2.75 standard deviations below the mean

e. About 0.67 standard deviations above the mean

Reference no: EM1313320

Questions Cloud

Some basics of genetics : If I wanted to test the drug to see if it made mice run faster, how could I test that and what would be my control?

Loss of global investors confidence on exchange rate : The following quotations are from an article in the Financial Times on November 9, 2007:

Sam is now growing wheat on enough land to produce : Suppose which Sam is now growing wheat on enough land to produce 7,000 bushels of wheat. Illustrate what is the opportunity cost.

What angle does the light emerge into the air : A 1.02 liter flask contains a certain quantity of ideal gas at 315 K. Then an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.60 times its original value. What is a final temperature.

Value of z-score based on mean and standard deviation : The average number of days absent per student per year at West Valley School is 17 days with a standard deviation of 4 days. How many standard deviations from the mean is 6 absent days?

Creating confidence interval for population proportion : Create a 95% confidence interval for population proportion of positive drug tests.

Objective questions based on force and acceleration : Objective questions based on force and acceleration.

Terms of trade and calculate the gains from trade : Answer the next three questions on the basis of the following production possibilies data for Francia and Galacia. All data are in tons.

Describe conversion of convertible bonds : Describe Conversion of convertible bonds into stock with various stock prices and what is the impact of conversion on the stock price

User Account

All Pages