Question 12

5pts

If a speaker noted that 40% of college students love their college statistics course, which of the following would be least likely to reveal a bias in this study?

Group of answer choices

Was there a minimum number for the sample

How was the sample selected

How many people were asked

What was the population considered

How was the question worded

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Question 13

5pts

When betting whether a coin will land on heads, you find that the coin has landed on tails the last four flips.Assuming this is a fair coin, should you increase the amount of your bet of landing on heads for the fifth flip?

Group of answer choices

No, the probabilities do not change based on previous flips

Yes, as after four tails, a head is more likely the next outcome

No, you should bet on tails given those previous results

Yes, on a fair coin, heads will be more likely

No, tails is more likely on a fair coin

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Question 14

5pts

To study the safety of a car in accidents at a set speed, it would be important for the researcher to consider the following to avoid bias:

Group of answer choices

The color of the cars tested

The size and type of cars being tested

Whether the driver lives in the city or rural areas

The age of the driver

The type of guidance or GPS system included in each car

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Question 15

5pts

Which of the following organizations (not all are real, consider only the name) is most likely to provide the least biased results of a study on the impact of fireworks.

Group of answer choices

State government organization

Pet lover's organizations

Hospital ER organization

Firework manufacturing association

Organization of 4th of July celebrations

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Question 16

4pts

Imagine you read poll results that found that 49% of individuals liked buying food at movies, while 42% of individuals did not like buying food at movies.This poll had an error of +/- 4%.Based on this result, can one say that in the population, more people like buying food at the movies?

Group of answer choices

No, as the results are within the margin of error

Yes, as that would be considered common knowledge

Yes, as that had the higher percentage in the poll

No, as polls cannot reflect the population

No, as the poll results show most people do not like to buy food at the movies