1. Find the margin of Error E: a. n= 10, s = 4.0, 90% confidence b. n= 16, s = 4.2, 95% confidence C. n= 20, s = 2.5, 90% confidence d. df = 22, s = 3.2, 95% confidence %3D e. df = 24, s = 2.6, 99% confidence II
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- Refer to Exercise 7. Assume that p = 4.3 ± 0.1 cm and q = 2.1 ± 0.2 cm. Estimate f, and find the relative uncertainty in the estimate.In a recent year, a research organization found that 487 of 806 surveyed male Internet users use social networking. By contrast 619 of 919 female Internet users use social networking. Let any difference refer to subtracting male values from female values. Complete parts a through V below. Assume that any necessary assumptions and conditions are satisfied. Find the proportions of male and female Internet users who said they use social networking. A. What is the difference in proportions? B. What is the standard error of the difference? C. Find a 95% confidence interval for the difference between these proportions.Mrs. Henderson thinks her test completion time will be 35 minutes with a margin of error of 10. What is the possible range of times? 15 to 45 min. 25 to 55 min 35 to 45 min 25 to 45 min.
- The Prevalence per 10,000 population of having health insurance for 1 (Table 5 box s. above) is: The Prevalence per 10,000 population of having health insurance for 2 (Table 5 box w. above) is:Researchers conducted a survey among 400 doctors to ask the question; "Are you willing to treat your patients with a new experimental drug?" The approximate margin of error here is:A glass manufacturing company wanted to investigate the effect of breakoff pressure and stopper height on the percentage of breaking off chips. The results are in the accompanying table. Complete parts (a) through (e). a. At the 0.01 level of significance is there an interaction between the breakoff pressure and the stopper height? b. is there an effect due to the breakoff pressure? c. is there an effect due to the stopper height? d. Plot the percentage breakoff for each breakoff pressure for each stopper height. e. Discuss the results of (a) through (d).
- Find the margin of error for the given values of c, σ, and n. c=0.95, σ=2.1, n=81 E=_______ Level of Confidence zc 90% 1.645 95% 1.96 99% 2.575For this question i have half of it done. I need help on how to find the margin of error of estimate for m in part b pleaseConsider that a researcher is attempting to reduce the expected distance between M and µ as much as possible when conducting a research study. One thing they can do is _____. a. increase the sample size. b. decrease the sample size. c. increase the population mean. d. decrease the population mean.
- In a hypothetical scenario, the National Institute of Standards and Technology has received a new replica of The Kilogram. It is weighed five times. The measurements are as follows, in units of micro-grams above 1 kg: 114.3, 82.6, 136.4, 126.8, 100.7. a) Is it possible to estimate the uncertainty in these measurements? If so, estimate it. If not, explain why not. b) Is it possible to estimate the bias in these measurements? If so, estimate it. If not, explain why not.A. Clearly state an appropriate null hypothesis and an alternative hypothesis. B. What proportion of deaths occurred while the windows were set at a vertical orientation? C. What statistical test would you use to test the null hypothesis? D. Carry out the statistical test from part (c). Is there evidence that window angle affects the mortality rates of birds?D. Which video streaming platform(s) has(have) the highest median time spent by its patrons? E. Which video streaming platform(s) has(have) the most varied lower 25% of observations? F. Which video streaming platform(s) has(have) at least 75% of its observations less than or equal to 150? G. The upper extreme observation of Disney+ is approximately equal to the upper extreme of which video streaming platform(s)?