3 years ago

Can somebody help me with all the questions?

1 answer:

6 0

The data isn't proportional because there is a y-intercept.
20/1 is not equal to 28/2, which isnt equal to 36/3 and so on

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The chi-square test assesses whether the _____ observed in a cross-tabulation diverge from those one would expect under the null

pantera1 [17]

Answer: Frequencies .

Step-by-step explanation:

In statistics theory the chi-square test statistic is calculated by considering each cell and the expected frequency is subtracted from the observed frequency after that the difference is squared, and the total is divided by the expected frequency. This is highlight that the key focus of the chi-square test is the frequencies .

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2 years ago

Each year, Kipp raises money by participating in the Walk for Breast Cancer. Last year, Mr. Madrid walked at a pace of 12 miles

Ilia_Sergeevich [38]

A.

The rate is 12:2

B.

Set up a proportion:

12/2 = x/5

Multiply 5 to both sides:

60/2 = x

Divide:

30 = x

So he will walk 30 miles in 5 hours.

C.

To find out, we can divide 12 / 2.

12 / 2 = 6 miles per hour

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3 years ago

A bag contains 10 marbles of the same size that are red, yellow, and orange. The probability of picking a red marble is 10%. The

gizmo_the_mogwai [7]

The probability of picking a orange marble it 30%

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3 years ago

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Your friend has a fabulous recipe for salsa, and he wants to start packing it up and selling it. He can rent the back room of a

9966 [12]

1000 jars a month..how many jars can he make

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