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anonymous
 one year ago
A random sample is also called an unbiased sample.
True
False
A company surveys every tenth person in the phone book. What type of sampling did the company use?
biased sample
selfselected sample
stratified sample
systematic sample
Fifty students were randomly selected to take part in a survey about their favorite school lunch. Each student was allowed to only pick one item. The results are shown below.
Food Item Preferred Number of Students
pizza 27
cheeseburger 14
salad bar 9
Based on the information above, if the school served 500 lunches, how many pizzas can they expect to serve?
27
270
140
90
anonymous
 one year ago
A random sample is also called an unbiased sample. True False A company surveys every tenth person in the phone book. What type of sampling did the company use? biased sample selfselected sample stratified sample systematic sample Fifty students were randomly selected to take part in a survey about their favorite school lunch. Each student was allowed to only pick one item. The results are shown below. Food Item Preferred Number of Students pizza 27 cheeseburger 14 salad bar 9 Based on the information above, if the school served 500 lunches, how many pizzas can they expect to serve? 27 270 140 90

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nincompoop
 one year ago
Best ResponseYou've already chosen the best response.0a randomized sample can be biased, but generally we randomize our sample from a population so we can avoid bias.

nincompoop
 one year ago
Best ResponseYou've already chosen the best response.0look at the key phrase I used "BUT"

nincompoop
 one year ago
Best ResponseYou've already chosen the best response.0that means you did not do your reading

nincompoop
 one year ago
Best ResponseYou've already chosen the best response.0do you want a book to use? it will have what you need for your statistics course

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@imqwerty question 2

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.1I think its Systematic
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