Given the following : Y= 10-3X + 5 X2- 2 X3 , based on a sample of 20 observations. SSR = 360, SSE = 150. Perform an F test for overall significance (critical value at 95% confidence 3.24) Select one: O a. Reject the null hypothesis and conclude the overall model is insignificant O b. Reject the null hypothesis and conclude the overall model is significant O C. Fail to reject the null hypothesis and conclude the model is insignificant O d. Fail to reject the null hypothesis and conclude the overall model is significant

Assume a significance level of α=0.1 and use the given information to complete parts​ (a) and​ (b) below.   Original​ claim: The mean pulse rate​ (in beats per​ minute) of a certain group of adult males is 70 bpm. The hypothesis test results in a​ P-value of 0.0025. a. State a conclusion about the null hypothesis.​ (Reject H0 or fail to reject H0​.) Choose the correct answer below.     A. Fail to reject H0 because the​ P-value is less than or equal to α.   B. Reject H0 because the​ P-value is less than or equal to α.   C. Reject H0 because the​ P-value is greater than α.   D. Fail to reject H0 because the​ P-value is greater than α. b. Without using technical​ terms, state a final conclusion that addresses the original claim. Which of the following is the correct​ conclusion?     A. The mean pulse rate​ (in beats per​ minute) of the group of adult males is 70 bpm.   B. There is sufficient evidence to warrant rejection of the claim that the…

A researcher uses a between-subjects ANOVA to compare the mean SAT scores from 5 school districts in the state of Idaho. He computes the following test statistic: F(4, 15) = 6.23.   School District   1 2 3 4 5 M 500 560 480 430 450 SD 100 120 130 110 140     The critical value = 5.87. State the appropriate decision (reject/fail to reject) regarding the null hypothesis (alpha = 0.05). Then give a brief explanation of what the results mean in the context of this study, given the information you have been provided. I'm not looking for APA here. If you were to reject or fail to reject the null, simply explain what that means using language that anyone should be able to understand

3.  For a z-test we get a test statistic of z=2.05.    If our alternative hypothesis is "??:?>13Ha:μ>13", what Excel command would we use to compute the P-value?   If our alternative hypothesis is "??:?<13Ha:μ<13", what Excel command would se use to compute the P-value?

A hypothesis test will be conducted and after summarinzing the data, the observed test statistic is z = 1.9. Explain how much evidence we have against the null hypothesis (H0) and for the alternative hypothesis (Ha) in each of the following sets of hypotheses:   Explain the reason that the answer differs depending on the chosen alternative hypothesis.

The NAEP considers that a national average of 283 is an acceptable performance. Using α = .05, run a two-tail t-test for one sample to test Ho: µ=283 for the 2019 scores. Report the t-obt, df, and p-values. Would you reject the null hypothesis that the 2019 scores come from a population with average 283? If this is the case, does it come from a population from larger or smaller average?

8.2 Use technology to find the​ P-value for the hypothesis test described below. The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is μ=17.00 Mbps. The sample size is n=21 and the test statistic is t=−1.798

Women athletes at a certain university have a long-term graduation rate of 67%. Over the past several years, a random sample of 38 women athletes at the school showed that 21 eventually graduated. Does this indicate that the population proportion of women athletes who graduate from the university is now less than 67%? Use a 1% level of significance.   State the null and alternate hypotheses. H0: p = 0.67; H1: p < 0.67 H0: p = 0.67; H1: p > 0.67     H0: p = 0.67; H1: p ≠ 0.67 H0: p < 0.67; H1: p = 0.67   What sampling distribution will you use? The standard normal, since np < 5 and nq < 5. The Student's t, since np > 5 and nq > 5.     The standard normal, since np > 5 and nq > 5. The Student's t, since np < 5 and nq < 5.     What is the value of the sample test statistic? (Round your answer to two decimal places.)   Find the P-value of the test statistic. (Round your answer to four decimal places.)     Based on your answers in parts (a) to…

12.5.4VO2-max Aerobic Fitness Measurements Consider the data set of aerobic fitness measurements given in DS 12.2.3. Construct and interpret a two-sided 95% prediction interval for the VO2-max measurement of a new experimental subject who is a 50-year-old male.