Intro to Stats Quiz

Define the symbol.

• standard deviation

• sample standard deviation

• population mean

• population proportion

Define the symbol.

• absolute mean

• sample size

• mean

• sample standard deviation

Define the symbol.

• sample mean

• sample size

• sample standard deviation

• standard error

Define the symbol

• sample mean

• sample standard deviation

• standard error

• number of entries

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

• Set 1
• Set 2
• Set 3
• Set 4