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Kisachek [45]
4 years ago
6

A car salesman sells cars with prices ranging from $5,000 to $45,000. The histogram shows the distribution of the numbers of car

s he expects to sell over the next
10 years.

How would the shape of the distribution change if the salesman decides to also deal in cars priced under $5,000 and in cars priced from $45,000 to $50,000 and projects sales of 200 cars in each category?


The distribution will exhibit symmetry.



The distribution will exhibit a positive skew.



The distribution will exhibit a negative skew.



The distribution will be uniform throughout.

Mathematics
2 answers:
MatroZZZ [7]4 years ago
6 0
The distribution will exhibit symmetry. 
konstantin123 [22]4 years ago
3 0

Answer: The distribution will exhibit symmetry.


Step-by-step explanation:

If a data is symmetric, it has about the same shape on either side of the middle, such that if you fold the histogram in half, it looks about the same on both sides.

The median and the mean of a symmetric distribution both occur at the point about which the symmetry occurs.

From the graph is clear that line x=$25000 can be placed in the middle of the histogram such that it divides histogram in two equal parts.

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Answer:-7/4

Step-by-step explanation:

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Open brackets

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4 years ago
If 8x -2=-9+7x,what is the value of 4x-4?
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A small university is concerned with monitoring its electricity usage in its Student Center. Specifically, its officials want to
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Answer:

Since p-value > ∝, H0 is accepted

Step-by-step explanation:

Calculating gives the following results.

<u>ANOVA Table</u>

<u>Source DF               Sum             Mean      F Statistic P-value</u>

                               <u>  of Square           Square</u>

Groups     6         191.61                      31.935        0.020          0.999

(b/w groups)

Error

(within 14          21736.08                1552.577

<u> groups)                                                                                                     </u>

<u>Total  20          21927.69 1096.385                                          </u>

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Since p-value > ∝, H0 is accepted.

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Or the difference between the averages of all groups is not big enough to reject H0.

2. P-value

P-value equals 0.999. This means that if we would reject H0, the chance of type1 error (rejecting a correct H0) would be too high i.e  (99.99%)

The bigger  p-value  supports H0.

3. The statistics

The test statistic F equals 0.020, which lies in the accepted range: [-∞ : 2.8477]

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Step-by-step explanation:

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