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8 statistics questions in total  

Give 5 or 6 significant digits for (floating point) numerical answers.  

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One-Mean-Hyp-Tech:

Give 5 or 6 significant digits for (floating point) numerical answers. For most problems when entering numerical answers, you can if you wish enter elementary expressions such as 2∧3 instead of 8, e∧(ln(2)) instead of 2, etc.

1

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2

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8

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One-Mean-Hyp-Tech:

Give 5 or 6 significant digits for (floating point) numerical answers. For most problems when entering numerical answers, you can if you wish enter elementary expressions such as 2∧3 instead of 8, e∧(ln(2)) instead of 2, etc.

1

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1. C

2. D (incorrect)

3. B

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2

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a) Test statistics 1.7139

b) P-value p= 0.04327

c) Two-tailed p-value = 0.08654

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The test statistics 0.29792

The positive critical value 1.9600

The negative critical value -1.9600

B. There is no sufficient evidence to reject the claim that the mean is equal to 73.

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The test statistics 8.4000

The critical value 1.7531

B. There is sufficient evidence to support the claim that the mean grade point average is greater than 2.24.

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The test statistics 0.29792

The positive critical value 1.9600

The negative critical value -1.9600

B. There is no sufficient evidence to reject the claim that the mean is equal to 73.

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6.Graphical user interface, text, application, email  Description automatically generated

a) The degree of freedom 9

b) The critical t value -1.8331

c) The test statistics -3.0768

The final conclusion is: We can reject the null hypothesis that µ = 9.2

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a) The degree of freedom 7

b) The critical t value -1.8943

c) The test statistics 4.17308

The final conclusion is: There is no sufficient evidence to reject the null hypothesis that µ = 3.7

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The sample mean is 65.02

The sample standard deviation is 1.7943

The test statistics is 4.79373

The critical value is 2.8214

The conclusion is: B there is sufficient evidence to support the claim that with the enriched feed, the mean weightGraphical user interface, application  Description automatically generated is greater than 62.3

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