Calculus and Above

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Find the critical​ value(s) and rejection​ region(s) for the
Find the critical​ value(s) and rejection​ region(s) for the indicated​ t-test, level of significance ​, and sample size n. Right​-tailed ​test, alpha = 0.01​, n = 5… read more
Scott
Master's Degree
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Find the critical​ value(s) and rejection​ region(s) for the
Find the critical​ value(s) and rejection​ region(s) for the indicated​ t-test, level of significance alpha​, and sample size n. ​Right-tailed ​test, alpha = 0.005 ​, n = 22… read more
Scott
Master's Degree
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Find the critical​ value(s) and rejection​ region(s) for the
Find the critical​ value(s) and rejection​ region(s) for the indicated​ t-test, level of significance alpha​, and sample size n. Left tailed test a=.10 n=19 the critical values are? Round to the neare… read more
Neo
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Determine the critical​ value(s) for a​ right-tailed test of
Determine the critical​ value(s) for a​ right-tailed test of a population mean at the alphaequals0.05 level of significance with 10 degrees of freedom. ​(b) Determine the critical​ value(s) for a​ lef… read more
R.R. Jha
Bachelor's Degree
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A simple random sample of size nequals15 is drawn from a
A simple random sample of size nequals15 is drawn from a population that is normally distributed. The sample mean is found to be x overbarequals22.9 and the sample standard deviation is found to be se… read more
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Complete parts ​(a) through ​(c) below. ​(a) Determine the
Complete parts ​(a) through ​(c) below. ​(a) Determine the critical​ value(s) for a​ right-tailed test of a population mean at the alphaequals0.01 level of significance with 20 degrees of freedom. ​(b… read more
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Question 1 1. To survey 100 out of 600 people on a phone
Question 1 1. To survey 100 out of 600 people on a phone list, a researcher uses systematic sampling to call the first person #3. What is the next person the researcher should call? #8 #9 #10 #103 1 p… read more
Sandhya
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1. What is the appropriate critical value of the following
1. What is the appropriate critical value for each of the following confidence levels and sample sizes? (Remember that in regard to confidence level this implies two-tails) (a) Critical z-value for an… read more
Ryan
Bachelor's Degree
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1. What is the appropriate critical value of the following
1. What is the appropriate critical value for each of the following confidence levels and sample sizes? (Remember that in regard to confidence level this implies two-tails) (a) Critical z-value for an… read more
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Master's Degree
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1. (Chapter 7: Estimating a Population Proportion) A poll
Attachment: 2014-06-28_022745_work.docx 1. (Chapter 7: Estimating a Population Proportion) A poll sample of 500 people was conducted if they support new initiative. 200 people said yes. Find the margi… read more
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Two separate samples, each with n= 12 individuals, receives
Two separate samples, each with n= 12 individuals, receives two different treatments. After treatment, the first sample has SS= 1740 and the second SS= 1560. a) find the pooled variance for the two sa… read more
Chirag
Master's Degree
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1. Find the compliment of the claim. U>=256. Which is H0 and
1. Find the compliment of the claim. U>=256. Which is H0 and which is Ha? 2. A null and alternative hypothesis are given. Determine whether the hypothesis test is left tailed, right tailed, or two … read more
Chirag
Master's Degree
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Test a research hypothesis that data (Sample) that was drawn
Test a research hypothesis that data (Sample) that was drawn from this same area (Population) is different in its lead contamination, and is therefore not representative. Use a Z-test at the 0.05 leve… read more
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You decide to conduct a survey of a sample of 25 members of
You decide to conduct a survey of a sample of 25 members of this year's graduating class and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last ten years, the… read more
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Find the critical value x2r based on the given information
Find the critical value x2r based on the given information sample size 5 and confidence level 98%… read more
Ryan
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Conduct a two-tailed hypothesis test given the information
Conduct a two-tailed hypothesis test given the information below. Assuming that the population variances are equal for male and female Grade Point Averages (GPAs), use the following sample data to tes… read more
Ryan
Bachelor's Degree
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1.Use Excel to find the critical value of z for each hypothesis
1.Use Excel to find the critical value of z for each hypothesis test. (Round your answers to 3 decimal places. Negative value should be indicated by a minus sign.) (a) 10 percent level of significance… read more
Ryan
Bachelor's Degree
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How would you use this in a two or more sample hypothesis testing Step
How would you use this in a two or more sample hypothesis testing Step 0ne-formulate testable hypothesis: The null hypothesis is that that the mean for males and females is the same. Ho: u1 = u2; Ha: … read more
Chirag
Master's Degree
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