Standard Deviation and Percents

Select the correct description

• Standard Deviation of the Sampling Distribution of Sample Means

• Standard Deviation

• Population Standard Deviation

• Sample Standard Deviation

Sigma of P-Hat

• Population Standard Deviation

• Standard Deviation of the Sampling Distribution of Sample Means

• Sample Percents of the Standard Deviation

• Standard Deviation of the Sampling Distribution of Sample Proportions

Select the correct description

• Standard Deviation

• Population Spread

• Sample Standard Deviation

• Population Standard Deviation

Select the correct description

• Sample Range

• Sample Standard Deviation

• Spread of a Sample

• Population Standard Deviation

What does this formula do?

• Calculates Standard Deviation

• Checks if the samples are independent

• Checks Normality

• Calculates Probabilitie

What does this formula do?

• Calculates Standard Deviation for Sampling Dist. of Sample Means

• Checks if the samples are independent

• Checks Normality

• Calculates Standard Deviation for Sampling Dist. of Sample Proportions

Which best describes the shaded part of this normal distribution graph?

• All data that is one or higher.

• All data that is one or more standard deviations above the mean.

• All data that is between 1 and 3.

• All data that is above the mean.

The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.

What percent of golfers are between 30 and 46 years old?

• 68%

• 94%

• 95%

• 99.7%

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5.  What proportion of weeks would you expect to have more than 7 accidents?

• 0.3446

• 0.2856

• 0.4

• 0.6554

Test has a mean of 40 and a standard deviation of 10. What is the percent of people that scored above 62?

• 1.39%

• 45.34%

• 98.41%

• 22.34%