Post an example of a scenario that would warrant either a one-sample or a two-sample test. This can be a hypothetical example.
Please state H0 and H1 and explain why your hypothetical example qualifies as either a one- or two-sample test. (Please recognize that one- and two-sample tests are not the same as one- or two-tail tests.) Also, clearly state the reason(s) this hypothesis test would be conducted. You do not actually have to complete the hypothesis test steps.


Post an example of a scenario that would warrant either a one-sample or a two-sample test....
t-Test: Two-Sample Assuming Unequal Variances A two-sample test for means was conducted to test whether the mean number of movies watched each month differed between males and females. The Excel Data Analysis tool results are shown below. Female Male Mean 5.6 7.5 Variance 6.267 21.833 Observations 10 10 Hypothesized Mean Difference 0 DF 14 T Stat -1.133 P(T<=t) One-Tail 0.138 t Critical One-Tail 1.76 P(T<=t) Two-Tail 0.276 t Critical Two-Tail 2.144 a. Explain how to use this information to draw...
One-Sample Test Test Value = 1 t df Sig. (2-tailed) Mean Difference 95% Confidence Interval of the Difference Lower Upper What is your gender? -11.787 79 .000 -.637 -.75 -.53 Hypothetical exam scores (out of 100) 98.022 79 .000 84.438 82.72 86.15 Which of the following is the null hypothesis? Highlight or circle your answer. [.5 points] a) H0: µ1 = µ2 b) H1:...
Researchers claim that getting a good nights sleep has an effect on test scores. A sample of 12 student’s grades were recorded for two exams, one for which they got a a full eight hours of sleep and one for which they only got 4 hours of sleep. Using a 0.05 level of significance, test the claim that the sleep has an effect on exam scores. (a) State the claim, null hypothesis, and alternative hypothesis. Claim: H0: H1: (b) Given...
What would one conclude about the null hypothesis that a sample of N = 46 with a mean of = 104 could reasonably have been drawn from a population with the parameters of µ = 100 and = 8? Use a = 0.05 2 tail . Explain your answer. accept H0 reject H1 reject H0 retain H0
EC1. What would be the best test for the scenario? State the test and why. One-sample z-test One-sample t-test Independent samples t-test Paired t-test Analysis of Variance (ANOVA) Simple Regression Multiple Regression c. Does age influence weight loss? Your fitness center starts a version of the Biggest Loser. They enroll 30 participants and measure weight loss every other week over a 10 week period. Weight loss is defined as pounds lost in two week period. Age is defined as years.
Steps to be covered: state the hypothesis and identify the claim find the critical value from the table and mention the acceptance range for H0 compute the test value make the decision to reject or not the null hypothesis Claim tests are two-tail tests only if you have to test for strict equality; If the claim says “at least”, “less”, “at most”, “no more than”….. it means that a one-tail test should be performed A college wants to know the...
#3. In the following studies, state whether you would use a one-sample t test or a two-independent-sample t test. A. A study testing whether night-shift workers sleep the recommended 8 hours per day B. A study measuring differences in attitudes about morality among Democrats and Republicans C. An experiment measuring differences in brain activity among rats placed on either a continuous or an intermittent reward schedule PLEASE EXPLAIN MORE CLEARLY. THANK YOU!
What is the scenario when performing an independent Sample t Test is required? Assume that a researcher interested in growth spurts among young teens decided to measure the height difference between boys and girls in middle school from a random sample of 200 boys and girls. In this study, what are the two variables of interest and which of the two variables is dependent variable and the other is the dependent variables? In the above scenario, state the null and...
Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use either the traditional method or P-value method as indicated. Identify the null and alternative hypotheses, test statistic, critical value(s) or P-value (or range of P-values) as appropriate, and state the final conclusion that addresses the original claim. -------------------------------- QUESTION: Use a significance level of ΅ = 0.05 to test the claim that µ = 32.6. The sample data consist of...
Consider the following hypothesis test. H0: μ ≤ 50 Ha: μ > 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use α = 0.05. (Round your answers to two decimal places.) (a)x = 52.5 Find the value of the test statistic. State the critical values for the rejection rule. (If the test is one-tailed, enter NONE for the...