Calculus and Above

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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
GLENN GILONGOS
GLENN GILONGOS
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Need help with statistics multiple choice questions ASAP. An
Need help with statistics multiple choice questions ASAP. An investigator claims, with 95 percent confidence, that the interval between 10 and 16 miles includes the mean commute distance for all Calif… read more
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I need help whit the following 10 questions. 1. The probability
I need help whit the following 10 questions. 1. The probability that the actual population mean will be outside of the 98% confidence interval is: 1 % 2 % 4 % 5 % 2. The Chi-square test is very sensit… read more
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SusanAthena
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The questions that I need answer are already on the site just
The questions that I need answer are already on the site just need the answers for 1. The Chi-square test is very sensitive to small differences in frequency differences. (Points : 1) True False Quest… read more
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1. Point estimates provide less confidence in indicating a
1. Point estimates provide less confidence in indicating a parameter's value than a confidence interval. True False 2. Confidence intervals provide an indication of how much variation exists in the da… read more
Chirag
Chirag
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1. The Chi-square test is very sensitive to small differences
1. The Chi-square test is very sensitive to small differences in frequency differences. (Points : 1) True False Question 2. 2. The probability that the actual population mean will be outside of a 98% … read more
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1. What is the primary reason for applying a finite population
1. What is the primary reason for applying a finite population correction coefficient? A. If you don't apply the correction coefficient, your confidence intervals will be too narrow, and thus overconf… read more
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1. H0 is p = 0.45 and H1 is p ≠ 0.45. What type of test will
1. H0 is p = 0.45 and H1 is p ≠ 0.45. What type of test will be performed? A. One-tail testing of a mean B. Two-tail testing of a proportion C. One-tail testing of a proportion D. Two-tail testing of … read more
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Hello, I have an 11 question quiz for PSYC 258: Behavioral
Hello, I have an 11 question quiz for PSYC 258: Behavioral SCIENCE STATISTICS that I need complete in under 40 minutes! Please complete! Question 1 An investigator claims, with 95 percent confidence, … read more
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FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In
FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In the standard normal distribution, the standard deviation is always: 2. The area under the standard normal curve is: 3. If Mary gets a 90… read more
Chirag
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1. 36 randomly picked people were asked if they rented or owned
1. 36 randomly picked people were asked if they rented or owned their own home, 10 said they rented. What is the point estimate of the true proportion of home owners? (Points : 6) 0.722 0.217 0.278 0.… 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
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A study is to be conducted on the percentage of homeowners
A study is to be conducted on the percentage of homeowners who own at least three television sets. What minimum sample size is required if we wish to be 95% confident that the error in estimating this… read more
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Question 1 For a cluster sample, the estimates of the halves
Question 1 For a cluster sample, the estimates of the halves came in at 58.75 and 58.35. Find the Standard Error. Answer a. 0.30 b. 110.6 c. 0.15 d. 0.20 e. 110.9 Question 3 A utility company serves 5… read more
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If 600 different polling firms each construct a 99%
If 600 different polling firms each construct a 99% confidence interval (based on 600 different random samples) for the average age of male college students in the U.S. majoring in mathematics, how ma… read more
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MIT Graduate
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Sample of 45 home theatre systems has a mean price of $129.00
3. You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider? If the conv… read more
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16. In a survey of 630 males ages 18-64, 391 say they have
16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
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Sandhya
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
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