KUse a t-test to test the claim about the population mean μ at the given level of significance a using the given samplestatistics. Assume the population is normally distributed.Claim: μ = 52,500; x = 0.05 Sample statistics: x=52,722, s = 1600, n = 16Click the icon to view the t-distribution table.What are the null and alternative hypotheses? Choose the correct answer below.OA. Ho: $ 52,500OB. Ho: 252,500H₂: > 52,500H₂H<52,500OC. Ho: 52,500H₂: μ#52,500t-Distribution Tabled.f.1234567891011121314151617181920212223242526272829303188888888六合台岗UEEE8就1000Level ofconfidence, cOne tail, aTwo tails, aO D. Ho: 52,500H₂: H=52,5000.80 0.90 0.95 0.98 0.990.10 0.05 0.025 0.01 0.0050.20 0.10 0.050.02 0.01 d.f.3.078 6.314 12.706 31.821 63.657 11.886 2.920 4.303 6.965 9.925 21.638 2.353 3.182 4.541 5.841 31.533 2.132 2.776 3.747 4.604 41.476 2.015 2.571 3.365 4.032 51.440 1.943 2.447 3.143 3.707 61.415 1.895 2.365 2.998 3.499 71.397 1.860 2.306 2.896 3.355 81.383 1.833 2.262 2.821 3.250 91.372 1.812 2.228 2.764 3.169 101.363 1,796 2.201 2.718 3.106 111.356 1,782 2.179 2.681 3.055 121.350 1.771 2.160 2.650 3.012 131.345 1.761 2.145 2.624 2.977 141.341 1.753 2.131 2.602 2.947 151.3371.746 2.120 2.583 2.921 161.333 1.740 2.110 2.567 2.898171.330 1.734 2.101 2.552 2.878 181.328 1.729 2.093 2.5392.861191.325 1.725 2.086 2.528 2.845 201.323 1.721 2.080 2518 2.831 211.321 1.717 2.074 2.5081.319 1.714 2.069 2.500 2.807 231.318 1.711 2.064 2.4922.797 242.060 2.485 2.787 252.056 2.479 2.779 262.052 2.473 2.771 271.313 1.701 2.048 2.467 2.763 281.311 1.699 2.045 2.4621.310 1.697 2.042 2.4572.819 221.316 1.7081.315 1,7061.314 1,7032.756 292.750 301.309 1.696 2.040 2.4532.744 311.309 1.694 2.037 2.449 2.738 321.308 1.692 2.035 2.445 2.733 331.307 1.691 2.032 2.441 2.728 341.306 1.690 2.030 2.4382.724 352.719 361.306 1.688 2.0281.305 1.687 2.0261,304 1.686 2.0241.304 1.685 2.0231.303 1.684 2.0212.4342.431 2.715 372.429 2.712 382.426 2.708 392.423 2.704 401.301 1.679 2.014 2.412 2.690 451.299 1.676 2.0092.403 2.678 501.296 1.671 2.000 2.390 2.660 601.2941.667 1.994 2.381 2.648 701.292 1.664 1.990 2.374 2.639 801.291 1.662 1.987 2.3682.632 901.2901.660 1.984 2.364 2.626 1002.586 5002.581 10002.5761.283 1.648 1.965 2.3341.282 1.646 1.962 2.3301.282 1.645 1.960 2.326- XCheck answer

Given Information: Sample size n=16 Sample mean x¯=52722 Sample standard deviation s=1600 Claim:…

Answered: Use a t-test to test the claim about…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Samples of body temperatures were taken from both men and women. The information from the samples is summarized below. Use a 0.05 significance level to to test the claim that men and women have different mean body temperatures. Men: n₁ = 15; 1 = 98.38° F; s₁ = 0.45°F Women: n2=91; 2 = 98.17°F; $2 = 0.65° F a. On your Work Upload or Calculations page, write down your hypotheses. Label which hypothesis is the claim. b. The test statistic is c. The critical value is . (Round to 3 decimal places.) (Round to 3 decimal places.) d. The p-value is (Round to 3 decimal places.) e. On your Work Upload or Calculations page, show how you made your decision using either the traditional or p-value method. The correct decision is to 1: Reject the null hypothesis, or 2: Fail to reject the null hypothesis. box.) (Type 1 or 2 in the f. On your Work Upload or Calculations page, write your conclusion/results summary. (Use the standard language about evidence and support of claims.)
Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval. n=49, x=55.1 seconds, s=4.8 seconds The margin of error is nothing seconds.
Please assist with a,b,c C. Is the p value greater than or lesser than the level of significance? Is there enough evidence to support the claim?
A primary measure of dispersion for sample data is the sample standard deviation, s. Choose the best option to explain what the meaning of the sample standard deviation is, in general. A. The distance between one observation and the mean. B. The average distance of an observation from the middle of the distribution. C. The average distance between observations in the sample. D. The distance between the third and first quartiles.
A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if golf balls conform to the standard, a random sample of golf balls was selected. Their diameters are shown in the accompanying data table. Do the golf balls conform to the standards? Use the a= 0.05 level of significance. Click the icon to view the data table. - X Data Table Golf Ball Diameter (inches) First determine the appropriate hypotheses. 1.677 1.681 Ho ▼ 1.678 1.686 ▼ H₁ ▼ 1.684 1.673 (Type integers or decimals. Do not round.) 1.682 1.675 Help me solve this View an example H Type here to search O 3 4 F T Get more Bi a & 6 B 7 U hp a 1.682 1.685 1.684 1.685 Print O 9 Done (?) O 95°F Mostly sunny ^ ver 1:43 PM 6/18/2022
population is normally distributed with a mean of 115 and a standard deviation of 15. Answer the following two questions. Blank 1: What is the mean of the sampling distribution for this population? Blank 2: If a sample of 36 participants are selected from this population, what is the standard error of measurement? Please type answer
What sample size is needed to give a margin of error within +1 in estimating a population mean with 99% confidence, assuming a previous sample had s = 2.9. Round your answer up to the nearest integer. sample size=
Fertilizer: A new type of fertilizer is being tested on a plot of land in an orange grove, to see whether it increases the amount of fruit produced. The mean number of pounds of fruit on this plot of land with the old fertilizer was 381 pounds. Agriculture scientists believe that the new fertilizer may increase the yield. State the appropriate null and alternate hypotheses. Answer the following question.
Determine the standard error. Complete solution
Solve the problem. Find the standardized test statistic t for a sample with n = 15, x = 8.7, s = 0.8, and a = 0.05 if Ho: Hs 8.4. Round your answer to three decimal places. a. 1.452 b. 1.631 c. 1.728 d. 1.312
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 22.3. You would like to be 98% confident that your estimate is within 3 of the true population mean. How large of a sample size is required? Do not round mid-calculation. n =
Listed below are time intervals (min) between eruptions of a geyser. The "recent" times are within the past few years, and the "past" times are from 1995. Does it appear that the variation of the times between eruptions has changed? Use a 0.05 significance level. Assume that the two populations are normally distributed. E Click the icon to view the sample data. - X Sample data Identify the test statistic. The test statistic is (Round to two decimal places as needed.) Identify the P-value Recent 79 95 89 75 55 97 66 90 66 86 81 87 Past 92 85 94 99 68 82 89 98 84 98 92 91 The P-value is (Round to three decimal places as needed.) Print Done What is the conclusion for this hypothesis test? O A. Reject Ho. There is sufficient evidence to support the claim that the variation of the times between eruptions has changed. O B. Reject Ho. There is insufficient evidence to support the claim that the variation of the times between eruptions has changed. OC. Fail to reject Hg. There is sufficient…

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