A researcher wants to know if the clothes a woman wears is a factor in her GPA. The table below shows data that was collected from a survey. Shorts Dress Jeans Skirt 2.8 3.5 4 2.9 2.9 3.8 3.6 1.9 2.4 3.3 2.3 2.4 3.2 2.5 3.5 2 3.5 1.8 3.6 2 3.3 2.6 2 3 3.3 1.9 3.2 3.7 3.4 3.7 1.8 Assume that all distributions are normal, the four population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of a = 0.05. Họ: µi = µ2 = µ3 = µ4 H1: At least two of the means differ from each other. 1. For this study, we should use Select an answer 2. The test-statistic for this data = (Please show your answer to 3 decimal places.) 3. The p-value for this sample = (Please show your answer to 4 decimal places.)

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.