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Sauron [17]
3 years ago
6

A college student visits a large number of randomly selected stores in a city and in nearby small towns to collect data about th

e cost of bread.
His theory is that the cost of bread is more variable in the city than in the small towns.

In the city, the sample MAD was 0.65, while in the small towns the sample MAD was 0.63.

Assuming there are no outliers or skew, do the results support the student's theory?

Select from the drop-down menus to correctly complete the statements.

Since the samples were large and randomly chosen, we can use the samples to understand the populations.

Because the sample MAD in the city is
Choose...
the sample MAD in the small towns, the results
Choose...
support the student's theory.
Mathematics
1 answer:
posledela3 years ago
8 0
25 to the do bro you clown down drown
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Step-by-step explanation:

We have the following:

Let P: the subset of those 25 who would not go to a park

Let B: the subset of those 27 who would not go to the beach

Let C: the subset of those 24 that would not go to a cottage

Thus:

The intersection PB of subsets P and B consists of 10 people (i.e. neither a park nor a beach)

The intersection BC of subsets B and C consists of 7 people (i.e. neither beach nor cottage)

The intersection PC of subsets P and C consists of 6 people (i.e. neither a park nor a cottage)

We are also told that the PBC intersection of subsets P, B, and C consists of 4 person (i.e. would not go to a park, beach, or cottage)

The complement of the union of the sets P, B and C for the whole group consists of 6 people (that is, willing to go to the three places)

The formula to apply is as follows:

# (PUBUC) = #A + #B + #C - #AnB - #BnC - #AnC + #AnBnC

Replacing:

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= 57 people

those who are willing to all who are 6 would be missing us, therefore:

57 + 6 = 63

The group consists of a total of 63 people.

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