**Multiple Choice Question:**16. A one-tailed test (upper tail) at a 0.123 level of significance has a critical z value of _____.- ○ 1.96- ○ 1.54- ○ 1.645- ○ 1.16

Given that: Z is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 now…

Answered: 16. A one-tailed test (upper tail) at a…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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0.97 is not the answer
Q9. A Random Variable X has an unknown distribution, a known mean of 10 and an unknown variance, oʻ. To test a claim that the distribution is no longer 10, a random sample of 100 of X was collected which gave a sample mean, x of 9.8 and a sample variance, s? = 16. Working at the 5% Significance level what is the reject region? A. z 1.96 2 %3D B. z>-1.96 AND z 2.57 D. z 1.96 О А. А О В. В О С. С O D. D
11.8 Attached. Thank you for answering my question!
10.29 Past experience indicates that the time required for high school seniors to complete a standardized test is a normal random variable with a mean of 35 minutes. If a random sample of 20 high school seniors took an average of 33.1 minutes to complete this test with a standard deviation of 4.3 minutes, test the hypothesis, at the 0.05 level of significance, that μ = 35 minutes against the alternative that μ < 35 minutes.
n a sample of 1313 randomly selected high school seniors, the mean score on a standardized test was 11911191 and the standard deviation was 167.0167.0. Further research suggests that the population mean score on this test for high school seniors is 10201020. Does the t-value for the original sample fall between minus−t 0.99t0.99 and t 0.99t0.99? Assume that the population of test scores for high school seniors is normally distributed. Question content area bottom Part 1 The t-value of tequals=enter your response here ▼ does does not fall between minus−t 0.99t0.99 and t 0.99t0.99 because t 0.99t0.99equals=enter your response here.
of 10 (6 complete) 8.1.15 Suppose a simple random sample of size n=81 is obtained from a population with u = 70 and o = 18. (a) Describe the sampling distribution of x. (b) What is P (x> 73.8)? (c) What is P (xs 65.4) ? (d) What is P (67.9
Assume the critical value on the right side of a Z distribution was 1.96. A researcher received a sample mean that he translated into a z score of 2.5. What decision should the researcher make regarding the null hypothesis?
Which one of the following statements is true? Select one: O a. In large samples, there are not many discrepancies between the outcomes of the F test and the LM test O b. Degrees of freedom of the unrestricted model is necessary for using the LM test. O c. The LM test can be used to test hypotheses with single restrictions only and provides inefficient results for multiple restrictions O d. The LM statistic is derived based on the normality assumption
6.2.3 Find the critical value t, for the confidence levelc=0.99 and sample size n= 12. Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.)
10.1 am choosing for my experiment a post hoc test that will strictly limit my experiment-wise error rate at 1%. Which test could possible employ? A. Fisher's LSD B. ANOVA C. Tukey's method D. a and C
Are blonde female college students more likely to have boyfriends than brunette female college students? 219 of the 350 blondes surveyed had boyfriends and 220 of the 400 brunettes surveyed had boyfriends. What can be concluded at the 0.05 level of significance? H0: PBlonde = PBrunette Ha: PBlonde [ Select ] ["Not Equal To", ">", "<"] PBrunette Test statistic: [ Select ] ["Z", "T"] p-Value = [ Select ] ["0.04", "0.16", "0.08", "0.02"] [ Select ] ["Reject Ho", "Fail to Reject Ho"] Conclusion: There is [ Select ] ["insufficient", "statistically significant"] evidence to make the conclusion that blonde female college students are more likely to have boyfriends than…
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16. A one-tailed test (upper tail) at a .123 level of significance has a critical z value of 1.96 1.54 1.645 O 1.16