Question

**Paired or not?:** In each of the following
scenarios, determine if the data are paired.

(a) We would like to know if there is a "home field" advantage in
professional basketball. To find out, we random select 10 NBA teams
and calculate their average number of points during home games for
the 2019 season. We then calculate their average number of points
during away games for the 2019 season.

- paired
- not paired

(b) Researchers want to know if free-range eggs have a thicker egg
shell than conventional farmed eggs. To compare, they randomly
select 20 free-range eggs and 20 conventional farmed eggs.

- not paired
- paired

(c) Forest rangers wanted to better understand the rate of growth
for younger trees in the park. They took measruements of a random
sample of 50 young trees in 2009 and again measured those same
trees in 2019.

- not paired
- paired

Answer #1

The data will be paired when same the same observation is used in the study at different time

In each of the following scenarios, determine if the data are
paired.
(a) We would like to know if Intel's stock and Southwest Airlines'
stock have similar rates of return. To find out, we take a random
sample of 50 days, and record Intel's and Southwest's stock on
those same days.
paired
not paired
(b) We randomly sample 50 items from Target stores and note the
price for each. Then we visit Walmart and collect the price for
each of...

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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