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fenix001 [56]
2 years ago
10

How to find the slope of two points

Mathematics
1 answer:
NikAS [45]2 years ago
3 0

-- Find how much 'y' changes from the first point to the second one.

-- Find how much 'x' changes from the first point to the second one.

-- The slope of the line going from the first point to the second one is

                                 (change in 'y') / (change in 'x') .

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A book claims that more hockey players are born in January through March than in October through December. The following data sh
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Complete question :

Birth Month Frequency

January-March 67

April-June 56

July-September 30

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Observed value, O

Mean value, E

The test statistic :

χ² = (O - E)² / E

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Degree of freedom = (Number of categories - 1) = 4 - 1 = 3

Using the Pvalue from Chisquare calculator :

χ² (18.295 ; df = 3) = 0.00038

Since the obtained Pvalue is so small ;

P < α ; We reject H0 and conclude that there is significant evidence to suggest that hockey​ players' birthdates are not uniformly distributed throughout the​ year.

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2 years ago
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