I need help with these questions i am stuck.

16. The names of 30 students are placed in a bag and 5 students are selected to be surveyed. This is an example of a) simple random sampling b) systematic random sampling c) stratied random sampling d) cluster random sampling 17.Walmart cashiers inform all grocers that they will be entered in a draw to win $150 store gift cards if they complete a survey. This is an example of a) simple random sampling b) systematic random sampling c) stratied random sampling d) voluntary random sampling 4.6 Collecting Primary Data - Effoctlve Surveys 18. Which of the following is a leading question? a) Since swimming is a great cairo exercise, do you think people should swim regularly? b) Since lifting weights is great muscle building exercise, do you think people should lift weights? c) How much water do you drink everyday? d) both a and b 19. Which of the following is a loaded question? a) How do you feel about the vaccine rollout? b) What do you like most about science classes? c) What should the school do with the new govemment funding? d) Who do you feel should win the sports awards? 20. Which of the following is a double-barreled question? a) Do you like the new school uniform? b) How do you like the new car and GPS screen in it? c) Do you have a bike? d) How long does it take you to get to school? 9. A principal surveys 5 students from each home room. This leads to which type of bias? a) non-response bias b) measurement bias c) response bias d) school bias 10. A lady wearing a United Nations outt asks if you think people should be donating to the UN. This leads to which type of bias? a) non-response bias b) measurement bias c) response bias d) sampling bias 4.4 Collecting Primary Data - Observations and Experiments 11. In experimental study. the treatment group a) are not treated with a placebo b) is called the control group c) are always in control of the other groups d) they always represents 50% of the sample 12. If you examine the number of text messages sent in your class today throughout the school year. Which of the following applies: a) this study is cross-sectional b) this study is longitudinal c) this study is latitudinal d) this study is both longitudinal and cross-sectional 13. A teacher records the amount of time students spend using their phones in class today, this is an example of a) Experimental Study b) Longitudinal Study c) Latitudinal Study d) Observation Study 4.5 Collecting Primary Data - Sampling the Population 14. A private school offers 14 courses. The school is divided by age and 20% of the students in each age group is sampled. This type of sampling is called a) simple random sampling b) systematic random sampling c) stratied random sampling d) cluster random sampling 15. A police ofcer surveys every 10th driver for random check up at the border. This type of sampling is called a) simple random sampling b) systematic random sampling c) stratied random sampling d) cluster random sampling 1. 610 employees at a large tech company were surveyed. This sample represents 20% of the population. What is the population P? a) 3050 b) 1241 c) 1745 d) none of the above 2. A sample of 245 employees were surveyed from a company with 1886 employees. Approximately, what percentage is this? a) 14% b) 12% c) 13% d) 15% 3. In a school of 1250 students 4% are surveyed. How many students is the sample size? a) 30 b) 60 c) 55 d) so 4. Ms. Gill records his students' MDM4U assessment marks throughout the course. This type of data is a)Primary Data b)Secondary Data c)Tertial Data deudranary Data 4.2 Types of Data 5. An example of a discrete variable would be a) the weight of chicken at supermarket b) The numbers of puppies born c) the heights of trees d) the watertemperature 6. The number of text messages send by students during lunch break is an example of aloualitative Variable b)Categorical Variable c)Discrete Variable d)Continuous Variable 7. An example of nominal data is a. Dog Colour c. Grade b. Age d. Cat weight 4.3 Use: and Misuse: of Data 8. A principal emails all parents to ask whether or not he should have a formal this year. This leads to which type of bias? a) non-response bias b) measurement bias c) response bias d) sampling bias