Question 9 [1 point] Cluster random sampling always leads to O a. Sampling Bias 0 b. Clustering Bias 0 c. Response Bias 0 d. Non-Response Bias Question 10 {1 point} Stratified random sample of 12% is used to surveyr the school with a population of 1900. The strata that was used is Grade. Most of the data according to lGrade is summarized in the table below. How many.r Grade 12 students will be surveyed? G rad e 10 4? 1 Question 11 {1 point} An American fitness companv is considering expanding in Canada. Thev surveved 1500 people from everyr province using systematic random sampling techniques to make their business decision. Pick the bias with the MUST impact. 0 .3. Measurement Bias 0 b. Response Bias O c. Non-Response Bias 0 d. Fitness Bias Question 12 {1 point} A math teacher emailed his entire esummer school class and asked them to provide him feedback on his scheduled tutorials. He said in the email it is not required of you to answer but he would appreciate the feedback. Pick the bias with the MUST impact. O a. Response and NonResponse bias O l3. Measurement and sampling bias 0 C. Non-response and Measurement bias O Cl. Measurement and response bias