A group of students got the following scores in a test;6,9,12,15,18,&21.consider samples size 3 what can be drawn from this population.
A.list all the possible samples and the corresponding mean.
B. Construct the sampling distribution of the sample means.
Answers
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.
Step-by-step explanation:
There are a total of 20 combinations
The samples are
6,9,12
Mean =\frac{6+9+12}{3} = 9Mean=
3
6+9+12
=9
6,9,15
Mean =\frac{6+9+15}{3} = 10Mean=
3
6+9+15
=10
6,9,18
Mean =\frac{6+9+18}{3} = 11Mean=
3
6+9+18
=11
6,9,21
Mean =\frac{6+9+21}{3} = 12Mean=
3
6+9+21
=12
6,12,15
Mean =\frac{6+12+15}{3} = 11Mean=
3
6+12+15
=11
6,12,18
Mean =\frac{6+12+18}{3} = 12Mean=
3
6+12+18
=12
6,12,21
Mean =\frac{6+12+21}{3} = 13Mean=
3
6+12+21
=13
6,15,18
Mean =\frac{6+15+18}{3} = 13Mean=
3
6+15+18
=13
6,15,21
Mean =\frac{6+15+21}{3} = 14Mean=
3
6+15+21
=14
6,18,21
Mean =\frac{6+18+21}{3} = 15Mean=
3
6+18+21
=15
9,12,15
Mean =\frac{9+12+15}{3} = 12Mean=
3
9+12+15
=12
9,12,18
Mean =\frac{9+12+18}{3} = 13Mean=
3
9+12+18
=13
9,12,21
Mean =\frac{9+12+21}{3} = 14Mean=
3
9+12+21
=14
9,15,18
Mean =\frac{9+15+18}{3} = 14Mean=
3
9+15+18
=14
9,15,21
Mean =\frac{9+15+21}{3} = 15Mean=
3
9+15+21
=15
9,18,21
Mean =\frac{9+18+21}{3} = 16Mean=
3
9+18+21
=16
12,15,18
Mean =\frac{12+15+18}{3} = 15Mean=
3
12+15+18
=15
12,15,21
Mean =\frac{12+15+21}{3} = 16Mean=
3
12+15+21
=16
12,18,21
Mean =\frac{12+18+21}{3} = 17Mean=
3
12+18+21
=17
15,18,21
Mean =\frac{15+18+21}{3} = 18Mean=
3
15+18+21
=18