Asked by Me
According to a genetics model, plants of a particular species occur in the categories A, B, C, and D, in the ratio 9:3:3:1. The categories of different plants are mutually independent. At a lab that grows these plants, 218 are in Category A, 69 in Category B, 84 in Category C, and 29 in Category D.
Does the model look good?
Problem 1
The null hypothesis is:
The model is good.
The model isn't good.
Too many of the plants are in Category C.
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 2
The alternative hypothesis is:
The model is good.
The model isn't good.
Too many of the plants are in Category C.
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 3
Under the null, the expected number of plants in Category D is ______.
Problem 4
The chi-square statistic is closest to
1
1.5
2
2.5
3
3.5
4
4.5
Problem 5
Degrees of freedom = _______.
Problem 6
Based on this test, does the model look good?
Yes No
Does the model look good?
Problem 1
The null hypothesis is:
The model is good.
The model isn't good.
Too many of the plants are in Category C.
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 2
The alternative hypothesis is:
The model is good.
The model isn't good.
Too many of the plants are in Category C.
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 3
Under the null, the expected number of plants in Category D is ______.
Problem 4
The chi-square statistic is closest to
1
1.5
2
2.5
3
3.5
4
4.5
Problem 5
Degrees of freedom = _______.
Problem 6
Based on this test, does the model look good?
Yes No
Answers
Answered by
PsyDAG
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
Answered by
Anonymous
Problem 1
The null hypothesis is:
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 2
The alternative hypothesis is:
The model is good.
Problem 4
The chi-square statistic is closest to
2.5
Problem 5
Degrees of freedom = 3.
Problem 6
Based on this test, does the model look good?
Yes
The null hypothesis is:
The proportion of plants in Category A is expected to be 9/16; the difference in the sample is due to chance.
Problem 2
The alternative hypothesis is:
The model is good.
Problem 4
The chi-square statistic is closest to
2.5
Problem 5
Degrees of freedom = 3.
Problem 6
Based on this test, does the model look good?
Yes
Answered by
Anonymous
Problem 3?
Answered by
WalterDe
Exercise set 5 answers:
4c51a450.linkbucks
Note: add dotcom after the word linkbucks
you're welcome
4c51a450.linkbucks
Note: add dotcom after the word linkbucks
you're welcome
Answered by
Help
Thanks, Walter DE
Answered by
Anonymous
@walter de u link doesn't work
Answered by
stat
what's the answer?
Under the null, the expected number of plants in Category D is ______.
Under the null, the expected number of plants in Category D is ______.
Answered by
Cod
prob 1 - the model is good
Answered by
Anonymous
what's the answer?
Under the null, the expected number of plants in Category D is ______.
Under the null, the expected number of plants in Category D is ______.
Answered by
Anonymous
Problem 5
Degrees of freedom = _______.
Degrees of freedom = _______.
Answered by
Anonymous
Problem 3, under null is 25 number of plants in Category D.
Answered by
stat
thanks
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