Weights of 10 red and 36 brown randomly chosen M{&}M plain candies are listed below
Weights of 10 red and 36 brown randomly chosen M{&}M plain candies are listed below.
Red:
|
0.907 |
0.897 |
0.912 |
0.891 |
0.874 |
|
0.936 |
0.898 |
0.913 |
0.871 |
0.923 |
Brown:
|
0.93 |
0.913 |
0.898 |
0.921 |
0.872 |
0.866 |
|
0.931 |
0.92 |
0.914 |
1.001 |
0.92 |
0.936 |
|
0.902 |
0.875 |
0.857 |
0.915 |
0.9 |
0.877 |
|
0.923 |
0.986 |
0.905 |
0.876 |
0.897 |
0.93 |
|
0.929 |
0.871 |
0.918 |
0.889 |
0.928 |
0.861 |
|
0.988 |
0.912 |
0.867 |
0.858 |
0.86 |
0.902 |
1. To construct a 90% confidence interval for the mean weight of red M{&}M plain candies, you have to use A. The normal distribution B. The t distribution with 10 degrees of freedom C. The t distribution with 9 degrees of freedom D. The t distribution with 11 degrees of freedom E. None of the above 2. A 90% confidence interval for the mean weight of red M{&}M plain candies is ________ <μ< __________ 3. To construct a 90% confidence interval for the mean weight of brown M{&}M plain candies, you have to use A. The t distribution with 36 degrees of freedom B. The t distribution with 37 degrees of freedom C. The normal distribution D. The t distribution with 35 degrees of freedom E. None of the above 4. A 90% confidence interval for the mean weight of brown M{&}M plain candies is __________ <μ< ____________