Mathematics, 12.12.2020 18:00 nicoledambrosia16
Classify the scenarios based on whether they are observational studies,
experiments, or surveys.
Scenario A: Twenty employees of a company are randomly selected and asked if they would like the company to revise the existing dress
code.
Scenario B: Analysts at an energy research institute compare the frequency of power outages caused by snowfall in different states over
the past decade.
Scenario C: To determine and compare the accuracies of pedometer X and pedometer Y, researchers randomly ask consumers to use
one of the two pedometers and then analyze the results.
Scenario D: At a coffee shop, ten customers are randomly selected each day and asked how many times in a week they visit the shop.
Which is observational study ?
Experiment ?
Survey ?
Answers: 2
Mathematics, 21.06.2019 20:30
List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6
Answers: 1
Mathematics, 21.06.2019 21:30
Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?
Answers: 3
Classify the scenarios based on whether they are observational studies,
experiments, or surveys.
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