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What is alternative hypothesis? Please use examples related to school activities and example how it would’ve been null hypothesis or alternative hypothesis for example a student performance. There are 2 steps to solve this one.
4. For each of the following examples of tests of hypothesis about , show the rejection and nonrejection regions on the t distribution curve. Include the critical values. a. A two-tailed test with a = .01 and n = 15 b. A left-tailed test with a = .005 and n = 25 c. A right-tailed test with a = .025 and n = 22 5. Consider the null hypothesis Ho ...
1. State the null hypothesis and the alternative hypothesis for each of the following examples. After low scores on the first exam, a chemistry teacher wants to boost her students' long-term retention of the material so she introduces them to a new study technique to see if it improves their memory for the material.
Question: If the null hypothesis is true, how many of the men in the study would be color blind? Report your answer to two decimal places.
Calculate the expected count and chi-square statistic for the following random sample of 490 births from local records. Below is the distribution across the days of the week. Do these data give significant evidence that local births are not equally likely on all days of the week? The null hypothesis says that
Which of the following is an example of a null hypothesis, where "u" reflects a mean value for a population? Ο μΑ = μΒ Ο μΑ # μΒ Ο μΑ < μΒ Ο μΑ > μΒ None of the above; all are examples of alternative hypotheses.
Below are four examples of express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol, μ, for the indicated parameter. A cereal company claims that the mean weight of the cereal in its packets is more than 14 oz. Which of these is correct for the information above? A) H 0: μ > 14 oz; H a: μ < 14 oz
State the appropriate t-test used to evaluate the hypothesis and show results table: H) Alpha (α) level : α= I) P-value: p = J) State in a sentence or two whether the hypothesis is rejected or if there is not enough evidence to reject the null hypotheses and what the results mean.
4. Using the μ, =, and = symbols write the null and alternative hypothesis equation for each of the examples below: a) A fast-food company advertises that the pre-cooked weight for its burgers is, on average, 0.2 kg. The company runs a regular quality control test that involves weighing a sample of burgers to see if the burgers are too light ...
This proportion will be the null hypothesis: H 0: p = 0.08. The alternative hypothesis is associated with what the researcher is wondering. From the scenario, the researcher is wondering if more than 8% of all men are color-blind. “More than” implies using a > in the alternative hypothesis: H A: p > 0.08. Step 5: Explore the sample data