Mathematics, 15.12.2021 01:00, joannakawata6

A survey was conducted of 250 pediatricians on the average age of their patients. A sample mean of 8. 3 years was determined, with a standard deviation of 1. 8 years. Assuming a 90% confidence level, which of the following statements holds true? A. As the sample size is too small, the margin of error cannot be trusted. B. As the sample size is too small, the margin of error is Â±1. 29. C. As the sample size is appropriately large, the margin of error is Â±0. 187. D. As the sample size is appropriately large, the margin of error is Â±0. 14.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:10, rajene9302

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Answers: 2

continue

Mathematics, 21.06.2019 18:30, millie54

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Answers: 1

continue

Mathematics, 21.06.2019 22:00, devila321

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

Answers: 3

continue

Mathematics, 21.06.2019 22:10, markayla101326

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2