Statistics

Determine the type of sampling used in the following scenario: Divide students into freshmen/sophomores and juniors/seniors and then conduct a survey about the amount of time spent studying.

• Systematic
• Simple Random
• Cluster
• Stratified

Determine the type of sampling used in the following scenario: Choose every 10^th customer who walks into Ingles to shop and ask them how long they were in the store shopping.

• Systematic
• Simple Random
• Cluster
• Stratified

Determine the type of sampling used in the following scenario: Pick 10 sample elb…. numbers from the computer data bank and check to see how many classes they’ve failed

• Systematic
• Simple Random
• Cluster
• Stratified

Determine the type of sampling used in the following scenario: Randomly generate 5 area codes from the state of New York and count the number of high school students for each high school in the area code region.

• Systematic
• Simple Random
• Cluster
• Stratified

Determine the type of sampling used in the following scenario: Divide the users of the Internet into different age groups and then select a random sample from each age group to survey about the amount of time they spend on the Internet each month.

• Systematic
• Simple Random
• Cluster
• Stratified

Determine the type of sampling used in the following scenario: You're conducting an investigation about whether students enjoy lunch. So you survey everyone at your lunch table. 

• Volunteer
• Convenience
• Subjective
• Cluster

The average waist size for teenage males is 29 inches with a standard deviation of 2 inches. 
If waist sizes are normally distributed, determine the z-score of a teenage male with a 33 inch waist.  

• 2
• 1
• -2
• -1

Tags

CCSS.HSS.ID.A.4

• 4
• 5
• 10
• 10.5

• 4.25
• 4
• 5
• 85

Find the Median of the data set

• 82
• 86
• 88
• 92

Tags

CCSS.7.EE.B.3