subject
Mathematics, 17.04.2021 21:30 love5965

A researcher is interested in estimating the mean BMI of adults in UAE . He selected a random sample of 20 adults which yielded a mean of 24.5 kg/m2 and a standard deviation of 1.3 kg/m2. He believes that the distribution of BMI is strongly skewed. Which distribution should he use to construct the confidence interval? a. Neither t nor standard normal distribution.

b. t distribution with 19 degrees of freedom

c. t distribution with 20 degrees of freedom

d. Standard normal distribution

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, MidnightYT
Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary
Answers: 1
image
Mathematics, 21.06.2019 19:40, Suzispangler2264
What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?
Answers: 1
image
Mathematics, 21.06.2019 20:40, kaylabethany
How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142
Answers: 1
image
Mathematics, 21.06.2019 21:40, kellyroy74
Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.
Answers: 1
You know the right answer?
A researcher is interested in estimating the mean BMI of adults in UAE . He selected a random sample...

Questions in other subjects:

Konu
Mathematics, 04.06.2020 21:06
Konu
Mathematics, 04.06.2020 21:06