PR2 WEEK 5 Learning Task 9: Formative Assessment

Which of the following is an unethical practice in research?

• Informing participants that they are free to backout at any time

• Requiring the participants to continue until the study is done

• Assuring participants of confidentiality of gathered data

• Securing informed consent

Which of the following is not considered part of descriptive statistic values?

• Standard deviation

• Variance

• Pearson’s r

• Mean

What kind of correlation exists when two variables have no relationship with each other?

• Strong Negative Correlation

• Strong Positive Correlation

• Negative Correlation

• No Correlation

Which one of the following is an advantage of using questionnaire?

• It can encourage the participants to be open to the researchers since their identity can be made anonymous.

• Some participants will not be able to complete the required responses

• Questionnaires may lack depth of answers from participants.

• Some will not be able to return the questionnaire on time.

A study is conducted to determine the relationship between the time spent in studying and scores in a quarterly exam among 100 students of GRSHS-X. The result shows a correlational value of 0.98. What is the interpretation of this obtained result?

• The amount of time spent on studying is strongly associated with the score in a quarterly exam.

• The amount of time spent on studying is not associated with the score in a quarterly exam.

• The score in a quarterly exam is moderately associated with the amount of time spent on studying.

• The score in a quarterly exam is negatively associated with the amount of time spent on studying.

Which of the following is a graph that uses a line to represent data?

• A vertical graph

• A pie chart

• A line graph

• A bar chart

To fight boredom, Cindy is trying her luck by selling milktea during the COVID-19 pandemic lockdown. The table below shows the number of cups sold from March to July 2020. What is the best interpretation of the graph below?

• The graph shows that Cindy’s milktea sales is doing good every month.

• The graph shows that the month of May is the best-selling month.

• The graph shows that Cindy’s milktea sales is not good.

• Cindy’s milktea business is going to shut down soon.

Which correlation is the weakest among the four?

• -1.0

• +.80

• -0.6

• +0.5

Which of the following statistical technique uses rankings instead of actual values in computing the correlational values between two sets of data?

• Analysis of Variance

• Spearman’s Rho

• Pearson’s r

• t-test

What is a questionnaire?

• It is a tool for data interpretation.

• It is a tool for data evaluation.

• It is a tool for data collection.

• It is a tool for data analysis.