The income of males in each state of the United States, including the District of Columbia and Puerto Rico,are given in the first table, and the income of females is given in the second table. Compute a 99%confidence interval for the difference in incomes between males and females in the U.S. Round to thenearest whole number.Data of Income for Males45842 35490 37775 45642 30834 31647 53603242935223939036 44992 41432 44665 45307 5000540547 48716 5542440740 36523 5905739103 45304 41681 53036 40372 5283356254 54790 45902 4217932318 31241 39622 494414546548427 506115307144624 39496503994036238111 43137 42140 44662 44783 4432652257 46106 53564Data of Income for Females48368 39313 57981 46947 41499 41871 4555243681 36427 42989 46529 44781 49556 5645748699 32031 50745 42724 52279 47252 3977931520 3663245417 42025 4665149087 4326734052 48700 3750439727 29383 46585 34534 35986 42586 5123648574 49822 48627 30911 49890 38730 4580940530 5638549129 3513845256 4770839346With 99between males and females in the U.S. is between $ -29874265✔% confidence, it can be said that the difference in the mean incomesx and $X

We need to find the 99% confidence interval for the difference in incomes between males and females…

Answered: The income of males in each state of…

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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The following sample data are from a normal population: 15, 11, 30, 19, 22, 25, 33, 28, and 36. Develop a 98% confidence interval estimate of the population mean. Show your steps and manual (hand and calculator) calculations in 1 decimal point.
Create a 95% confidence interval for the data set below. 70 59 58 72 66 58 70 70 64 59 56 68 72 68 ( , ) [three decimal accuracy] [three decimal accuracy]
A researcher wanted to compare the pulse rates of identical twins to see whether there was any differ ence. Eight sets of twins were randomly selected. The rates are given in the table as number of beats per minute. Find the 99% confidence interval for the difference of the two. Twin A 86 93 77 80 88 90 84 92 Twin B 81 95 78 80 85 94 79 86 O 2.9 < H - H2 < 5.9 -3.1 < H1 - H2 < 6.1 -2.9 < H, - H2 < 5.9 O 3.1 < - Hz < 6.1
Refer to the accompanying data set and construct a 95% confidence interval estimate of the mean pulse rate of adult females; then do the same for adult males. Compare the results. Click the icon to view the pulse rates for adult females and adult males. Pulse Rates Pulse Rates (beats per minute) 84 76 50 61 53 63 52 74 55 63 75 60 62 77 82 64 69 94 41 88 Males 74 63 75 71 57 66 55 80 75 63 63 97 60 63 57 58 65 73. 82 56 4 Print Females 79 92 60 68 56 81 77 85 88 58 37 63 87 77 81 63 67 80 58 62 82 82 71 76 88 92 89 91 91 97 66 92 80 78 72 53 102 73 76 74 Done - X
4
Given below are the sodium contents in milligrams for seven brands of hot dogs rated as “very good” by Consumer Reports. Find a 99.9% confidence interval for the true mean amount of sodium for “very good” hotdogs. 400 470 350 365 270 550 530
3
During the nutrition research, the amount of consumed kilocalories per day was measured for 18 people - 10 women and 8 men. Results are as follows: Women: 1624, 1608, 2003, 1654, 1907, 1636, 1924, 1868, 1578, 2010; Men: 2360, 2547, 2524, 2056, 2172, 2464, 2253, 1954. Calculate a 95% confidence interval on the mean for women and men separately. Assume distribution to be normal. Round your answers to the nearest integer (e.g. 9876). Women: i i Men: i
1. The best point estimator for the average weight of current PBA players is __ kilograms 2. At 98% confidence, the estimate of the minimum weight of all PBA players is __ kilograms Kindly answer both questions please. Thanks.
Determine whether the following statement is true or false. To construct a confidence interval about the mean, the population from whlch the sample is drawn must be approximately normal. This statement is
A certified mechanic was timed for the repair of an automobile on 14 separate occasions.Over the same period, a trainee mechanic was timed for the repair of a similar automobile.The times in minutes are given belowCertified 344 276 257 334 267 164 222 343 212 175 211 311 209 188Trainee 222 342 178 234 398 232 377 211 309 190 351 343 177 269a. Calculate a 99% confidence interval for the mean time taken to repair the automobile by the (i) certified mechanic and (ii) the trainee mechanic. b. Test the hypothesis that the two mean times for both mechanics are equal. Use the 5% level of significance. c. Subsequently, it was learned that the times for the trainee were incorrectly recorded and that each of the values above is 30 minutes too small. What, if any, the difference does this make to the results of the test done in part (d)?
The following table provides the Noradrenaline concentration (µmol/g of creatinine) obtained by analyzing the urine of healthy volunteers between twenty and thirty years of age. Male 0,48 0,36 0,20 0,55 0,45 0,46 0,47 0,23 Female 0,35 0,37 0,27 0,29 Can noradrenaline concentrations be considered to be significantly different between the sexes (considering the 95% confidence level)? Carry out the appropriate hypothesis test, clearly showing how the calculated, critical values (confidence level and degrees of freedom) were obtained and concluding in full whether the null hypothesis is true or not.

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