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Finger [1]
3 years ago
12

What is the importance of the variation in statistics?

Business
1 answer:
DanielleElmas [232]3 years ago
8 0
It is a measure of statistical dispersion. Variance also describes the way numbers fluctuate around the mean.
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In general, a larger R squared tends to suggest that:_______.
stiks02 [169]

Answer:

c. the estimated sample regression function explains a greater percentage of the explained variation in y

Explanation:

The above is the reason showing the direct correlation between the sample regression and the R Square value.

7 0
2 years ago
A maker of frozen meals claims that the average caloric content of its meals is 400, and the standard deviation is 15. a researc
Zolol [24]
<span>Your second sentence is indeed the claim, "A maker of frozen meals claim that the average caloric content of its meals Is not 400." Now you can talk about your null and alternative hypotheses (H0 and Ha respectively). Since your null must contain an equals sign it will be H0 = 400. Your alternative will be testing the claim and therefor read Ha ≠400</span>
4 0
3 years ago
Is the coffee market growing or shrinking and why
svetoff [14.1K]

In conclusion, the coffee market is currently experiencing considerable growth in economies around the world, with the rise in urbanization and the demand for quick, quality product fueling the expansion. The market is expected to continue to inflate in the next five years, leaving ample room for returns and profit
6 0
3 years ago
For over 10 years, Erudite, a publishing and educational company that produces college textbooks, has been selling its books onl
Fittoniya [83]

Answer: Disintermediation

Explanation:

Disintermediation is the withdrawal of funds from an intermediary financial institutions e.g savings and loan associations or banks in order to invest them directly. It is the reduction in using intermediaries between the producers and consumers.

From the question, Erudite stopped using an intermediary and started selling its books online. The main advantage of disintermediation is that the consumer saves money.

5 0
3 years ago
Assume the world market for oil is competitive and that the marginal cost of producing another barrel of oil is $79.40 and the m
Alona [7]

Answer:

b. Increase by $2.20

Explanation:

Economic Surplus is the total benefit to society from production.

If an additional unit is produced the additional cost will be $79.40 and it will the additional benefit of $81.60.

So the surplus = benefit - cost = $81.60 - $79.40 = $.2.20

They are marginal quantities (change made by additional unit) so everything has been taken into account for the deriving of change to surplus.

3 0
3 years ago
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