Step 1: Determine Rejection Region.Step 2: Solve for Test Statistic.New CasesNew Deaths17654109758914959693758104726135391776819523419068205211152413914531461912402048137205881895112163141357691862641783742178201797541949531581501173942245951169711849482109712103801658581583671266681590551894611941521790701690521235651345114173468202226196012192881685213917118453174496190115722402391888202288614141615572222697226514629214221132920374206747178320245215304519343942327651335652668728861737496345788750007248996354048443711438718529021710313799930775739801945867206666478773569838549595109475111001616929656128106

Use the Excel and perform the Two sample independent t test ( when Variance are equal ) Followings…

Answered: Step 1: Determine Rejection Region.…

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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1. Sample data about the listing price of a house is collected from Surrey, Guilford area in 2022 and the data is given below. Using the data answer the following questions: N 1 2 3 4 5 Listing Price 1049900 11 1229000 1049900 12 1230000 1050000 13 1075000 14 1298999 1299000 1299000 1075000 15 16 1398000 1078800 1179000 17 18 1398000 1399000 1188000 1188000 19 1449900 1225000 20 1450000 a. What is the mean listing price of a home? b. Generate appropriate numerical summaries for the listing price of a home, the sample standard deviation, etc. 6 7 8 9 10 Listing Price N Listing Price 21 1450000 22 1450000 23 1469900 24 1475000 25 1475000 26 1480000 1499000 27 28 1499000 29 1499233 30 1499900 N C. Use these summaries to develop a 95% confidence interval to estimate the mean listing price of a house in your selected city. That is, you will be using the sampling data you collected to estimate the population parameter (listing price). Make sure to show both your calculations and a final…
Here is a set of 29 data values 3 150 205 220 222 246 392 481 484 493 530 582 589 613 618 625 663 693 707 711 730 753 768 773 799 810 824 876 953 Base on the data above, identify the 5 number summary (min, Q1, median, Q3, max).
Eight students are selected randomly, and their present graduate GPA is compared to their undergraduate GPA and Scores on standardized tests. The data are shown below: Present 3.89 3.03 3.34 3.85 3.93 3.06 3.69 3.91 GPA Undergr 3.77 2.75 3.11 3.75 4 2.92 3.7 3.88 GPA Std. 700 460 550 690 720 420 670 670 Scores a. Write the regression equation, letting undergraduate GPA be x1 and standard scores be x2. X2. b. Is the model useful in calculating the present graduate GPA of a student? Use a = 0.05, State the null and alternative hypothesis. Provide the complete Regression Analysis.
Here is a set of sample data. 83 89 32 94 18 38 74 30 79 21 84 99 88 25 72 46 93 49 5 7 28 82 52 47 19 85 58 22 Base on the data above, identify the 5 number summary , , , ,
In order to compare two statistics textbooks, Mr.Marin recommends one book to one class and another book to another class. At the end of the year the classes are each examined; the results out of 100 marks are detailed below.Textbook 144 52 95 76 13 94 83 72 55 81 22 25 64 72 35 48 56 59 84 98 84 21 35 69 28Textbook 265 72 48 63 68 59 68 62 75 79 81 72 39 55 58 52 82 79 55 64 53 58 59 64 66 68 42 37(i) Calculate the mean and standard deviation for each class. (ii) Which class performed better?(iii) Which class was more consistent? (iv) Compute the coefficient of variation for each class. Comment on the results.(v) Construct a stem and leaf for each class.(vi) Compute their lower quartile, upper quartile, interquartile range and median for each class.(vii) Using a graph paper, draw a box and whisker plot for each class. Showing all parameters. Commenting on the distribution of the data set. Hence indicate whether there are outliers.
Provide the necessary answer needed WITH a complete solution.
130 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 16 0.1231 16 1 21 0.1615 37 2 17 0.1308 54 3 15 4 15 0.1154 84 5 14 0.1077 98 6 16 0.1231 114 7 0.1231 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 5 times per week? %
The city of Hampton is surveying households to see if the number of cats per household has changed over the past decade. The last known average of cats per household was 1.08. What statistical procedure should you use to analyze these data? O one sample z test Oone sample t test O correlated groups t test O independent groups t test
The table below shows the auto insurance quotes for two leading companies for a sample of 15 families. Assume the populations SDs are similar, but unknown. The President of the American Insurance Institute wants to compare the yearly costs of such insurance offered by the two companies. At the 0.10 level of significance, can we conclude that there is a difference in the amounts quoted? Families Southern Car American Mutual ($) ($) 1 2090 1610 2 1683 1247 3 1402 2327 4 1830 1367 5 930 1461 6 697 1789 7 1741 1621 8 1129 1914 9 1018 1956 10 1881 1772 11 1571 1375 12 874 1527 13 1579 1767 14 1577 1636 15 860 1188
IBL Company manager asked his statistic team to give to the production department the data on the number of phones manufactured over the 17 months.. The data collected are as follows: Months 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 REQUIRED # of phones produced 2045 1566 1207 4563 5052 3465 2542 4134 3567 5163 4563 7453 2621 4772 4563 5052 2846 1. Calculate the following using the data provided on the table: a. the mean b. median c. mode 2. Find the Quartile 1, Quartile 3 and inter-quartile of the phones produced 3. Why is the quartile important? What purpose does it serve? 4. Why is median preferred to mean in certain circumstances? 5. How do we call data when Mode >Median >Mean and show with a diagram how such distribution looks? 6. Explain and compare parameters and statistics.
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 23 0.2091 1 0.0818 32 2 4 0.0364 36 3 16 52 4 15 0.1364 67 5 13 0.1182 80 6 13 0.1182 93 7 17 0.1545 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 5 times per week? %

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New Cases	New Deaths
1765	4
1097	5
891	4
959	6
937	58
1047	26
1353	9
1776	8
1952	34
1906	8
2052	11
1524	139
1453	146
1912	40
2048	137
2058	8
1895	11
2163	14
1357	69
1862	64
1783	74
2178	20
1797	54
1949	53
1581	50
1173	94
2245	95
1169	71
1849	48
2109	71
2103	80
1658	58
1583	67
1266	68
1590	55
1894	61
1941	52
1790	70
1690	52
1235	65
1345	114
1734	68
2022	26
1960	12
1928	8
1685	2
1391	7
1184	53
1744	96
1901	157
2240	239
1888	20
2288	6
1414	16
1557	22
2269	72
2651	46
2921	42
2113	29
2037	4
2067	47
1783	20
2452	15
3045	19
3439	42
3276	51
3356	5
2668	7
2886	17
3749	63
4578	87
5000	72
4899	63
5404	8
4437	11
4387	18
5290	21
7103	13
7999	30
7757	39
8019	4
5867	20
6666	47
8773	56
9838	54
9595	10
9475	11
10016	16
9296	5
6128	106