Mathematics, 28.02.2021 16:40 justinamber89
Researchers working for a certain airline are investigating the weight of carry-on bags. The researchers will use the mean weight of a random sample of 1,300 carry-on bags to estimate the mean weight of all carry-on bags for the airline. Which of the following best describes the effect on the bias and the variance of the estimator if the researchers increase the sample size to 800?
a. The bias will decrease and the variance will remain the same.
b. The bias will increase and the variance will remain the same.
c. The bias will remain the same and the variance will decrease.
d. The bias will remain the same and the variance will increase.
e. The bias will decrease and the variance will decrease.
Answers: 2
Mathematics, 21.06.2019 22:10
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Answers: 1
Mathematics, 22.06.2019 01:10
|y + 2| > 6 {y|y < -8 or y > 4} {y|y < -6 or y > 6} {y|y < -4 or y > 4}
Answers: 2
Mathematics, 22.06.2019 01:30
The winner of a golf tournament made five putts for birdies. the lengths of these putts are in the table shown. what is the total distance of the putts in the yards, feet, and inches?
Answers: 1
Mathematics, 22.06.2019 02:00
Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1
Answers: 2
Researchers working for a certain airline are investigating the weight of carry-on bags. The researc...
Chemistry, 12.01.2021 23:40
History, 12.01.2021 23:40
History, 12.01.2021 23:40
English, 12.01.2021 23:40
German, 12.01.2021 23:40
Arts, 12.01.2021 23:40
Mathematics, 12.01.2021 23:40
Computers and Technology, 12.01.2021 23:40
Mathematics, 12.01.2021 23:40