STATISTICS (SUMMER BREAK TRAINING)

Which graph represents data that has a correlation coefficient close to -1?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.C.8

Estimate the correlation coefficient for this scatterplot.

• r = 1

• r = -1

• r = -0.9

• r = 0.9

Tags

CCSS.HSS.ID.C.8

What type of correlation does this scatter plot show?

• NEGATIVE

• POSITIVE

• NEGLIGIBLE

• CONSTANT

Tags

CCSS.HSS.ID.B.5

 A perfect negative correlation has a correlation coefficient of ____. 

• 0

• 1

• -0.99

• -1

Tags

CCSS.HSS.ID.B.5

Describe the strength of correlation if r = 0.61.

• weak positive correlation

• moderately positive correlation

•  strong positive correlation

• none of the above

Tags

CCSS.HSS.ID.B.5

Identify the type of sampling technique.

"A researcher is doing research on the student's reaction to the newly implemented curriculum in mathematics and interviewed every 10th student entering the school gate."

• Simple Random Sampling

• Systematic Sampling

• Stratified Sampling

• Cluster Sampling

Tags

CCSS.HSS.IC.B.3

True/False

"The systematic sampling technique is the most basic type of sampling technique."

• TRUE

• FALSE

Tags

CCSS.HSS.IC.B.3

What sampling technique will be used if a researcher wants to know the experience of the board exam takers during the time of the pandemic?

• Convenience

• Quota

• Snowball

• Purposive

Tags

CCSS.HSS.IC.B.3

This type of sampling procedure gives equal chances to the members of the population to be part of the sample.

• Probability Sampling

• Non-Probability Sampling

• Random Sampling

• Non-Random Sampling

Tags

CCSS.HSS.IC.B.3

Which of the following is a type of non-probability sample?

• Cluster

• Simple Random

•  Judgment

• Systematic

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1