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liberstina [14]
3 years ago
9

Raulf Laue of Germany flipped a pancake 416 times in 120 seconds to set the world record find unit rate round your answer to the

nearest hundredth
Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0

Raulf Laue of Germany flipped a pancake 416 times in 120 seconds to set the world record find unit rate in flips per seconds. Round your answer to the nearest hundredth

Answer:

3.47 flips per seconds

Step-by-step explanation:

We are told that:

Raulf Laue of Germany flipped a pancake 416 times in 120 seconds

The unit rate = flips per seconds

Flips = 416 times

Seconds = 120

Hence, = 416 flips /120 seconds

= 3.4666666667 flips/seconds

Therefore, the unite rate approximately to the nearest hundredth is 3.47 flips/seconds.

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Answer:

Step 1: The null and alternative hypothesis for the one way analysis of variance is,

H₀ : There is no difference in the means of each area.

H₁ : At least one mean is different.

The objective of this question is to test whether the income of the three areas are significantly different.

Step 2: The problem states to use 0.05 significance level.

Step 3: The test statistic follows the F-distribution.

Step 4: Decision rule is based on the critical value.

Numerator degrees of freedom is,

K - 1 = 3 - 1

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Denominator degrees of freedom is 2.

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Using the F-distribution table for ∝=0.05 with numerator and denominator degrees freedom, the critical value is 4.26. The decision rule is to reject H₀ if the computed value of F exceeds 4.26.

Step 5: Calculations.

Using Excel follow the steps mentioned below.

1. Import or type the data into spreadsheet.

2. Data--------> Data Analysis----------> Anova: Single Factor, click OK.

3. Select Input Range, make a tick mark on Labels in the first row, enter 0.05 for alfa.

4. Click OK.

The obtained output for the one-way ANOVA is,

[ find the figure in attachment]

From the obtained output, the computed test statistic value, F = 14.18 , which is greater than the critical value of 4.26. So, reject H₀

Step 6: Interpretation. The average income of each area is different. It can be concluded that the average income is significantly different .

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