How would you describe Hypothesis Testing to a friend outside of this statistics
ID: 430444 • Letter: H
Question
How would you describe Hypothesis Testing to a friend outside of this statistics class? Create a problem, you don't have to use Formulas. EXAMPLE: Hello! I would explain the hypothesis in words from symbols HO 85. What this means is that we want to test whether the average score on a statistics test is 85 or not. I would then explain the sample statistic in words (students, please do this), transferring it to a z-value. I would then explain that a small p-value means that we have stronger evidence that 85 will not be the mean of our statistics test, etc..... Thats an example of how it should be in about 150 words describe.Explanation / Answer
Answer
Hello. I would like to explain hypothesis stating that Ho= 3. We want to test whether children watch an average of 3 hours of TV per week. Most samples we select should have a mean close to / equal to 3 hours if claim we are testing is true. Suppose we measure a sample mean equal to 4 hours per week that children watch TV. To make a decision, we need to evaluate how likely this sample outcome is, if population mean stated by the null hypothesis is true. We use a test statistic to determine this likelihood which tells us how far, / how many standard deviations, a sample mean is from the population mean. Larger value of test statistic, further distance, or number of standard deviations, a sample mean is from population mean stated in null hypothesis. We use value of test statistic to make a decision about null hypothesis which is based on probability of obtaining a sample mean, given that value stated in null hypothesis is true. probability of obtaining a sample mean, is the p-value. A small p-value indicates strong evidence that 3 will not b mean of our statistics test and so we reject the null hypothesis. A large p-value indicates weak evidence against null hypothesis, so we fail to reject null hypothesis.
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