Question

PART A

Does Miracle Gro® ("a plant growth enhancer") improve the growth
of plants better than just water? One sample of *n* = 15
plants is given Miracle Gro® for a week and they grow a mean of
4.4". A second sample of *n* = 15 plants is given just water
for a week and they grow a mean of 2.9".

-Describe the independent variable or population of interest:

-Describe the dependent variable:

-Write the null hypothesis in words:

-What type of t-test is appropriate here: single-sample or independent-samples:

PART B

A fruit company that sells peaches has used a preservative and canning process that is known to keep the peaches "fresh" for 700 days. The research and development folks at the company create a new preservative and add it to 100 cans to see if it keeps the product fresh for a longer period than the old preservative.

-Describe the independent variable or population of interest:

-Describe the dependent variable:

-Write the null hypothesis in words:

-What type of t-test is appropriate here: single-sample or independent-samples:

Answer #1

a) It is known that for a particular type of ant, each ant can
carry μ = 11.5 times its own weight. A colony of similar ants was
discovered, and the ants were sampled (n = 26) and found
to be able to carry a mean of 12.9 times their own weight. Are the
ants in this colony stronger or weaker than their "cousins"?
-Describe the independent variable or population of
interest:
-Describe the dependent variable:
-Write the null hypothesis...

As you saw from the lab PowerPoint slides last week, you will be
doing a research study looking at ‘Aggression Priming” for your
first paper. For this week’s discussion, I want you to discuss with
your group what you think this study is about. What is the
hypothesis? What theory does it come from? What do you predict will
happen (do you expect something different than the hypothesis in
the researcher instructions? If so, what and why?)? Do you think...

Please answer the following Case
analysis questions
1-How is New Balance performing compared to its primary rivals?
How will the acquisition of Reebok by Adidas impact the structure
of the athletic shoe industry? Is this likely to be favorable or
unfavorable for New Balance?
2- What issues does New Balance management need to address?
3-What recommendations would you make to New Balance Management?
What does New Balance need to do to continue to be successful?
Should management continue to invest...

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