5. Chapter 7; An education publication claims that the mean score forgrade 12 students on a science achievement test is more than 145.You want to test this claim. You randomly select 36 grade 12 testscores. The results are listed below. At the a=0.01, can you supportthe publication's claim?188 80 165 222 175 195 201 143 119 81 118 119109 134 200 110 199 181 79 135 124 205 90 120216 167 198 183 173 187 143 166 147 219 206 97a) State the null hypothesis and alternative hypotheses and state theclaimb) Use StatCrunch to find the p-value for the significance level, includeprint out.c) At the 1% significance level, state your resulting decision,(Reject H, or Do No Reject Hod) Interpret the results.

Given: An education publication claims that the mean score for grade 12 students on a science…

Answered: 5. Chapter 7; An education publication…

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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4) The table shows, for the years 1997–2012, the mean hourly wage for residents of the town of Pity Me and the mean weekly rent paid by the residents. Mean hourly wage (dollars) Mean hour. Mean weekly rent (dollars) Mean weekly rent (dollars) Year Year (dollar 116 1997 57 10.38 2005 28.99 59 113 1998 10.89 2006 28.63 2007 1999 62 11.96 112 36.75 14.55 2000 63 12.46 2008 86 17.90 2001 86 17.72 2009 90 2002 2010 119 28.07 90 14.67 131 35.24 2003 2011 17.97 100 122 2004 2012 22.23 31.87 115 Find the least squares line that uses mean hourly wage to predict mean weekly rent. Round values to the nearest ten-thousandth. Include a scatter plot with the regression lino
Answer for question A) (Fill the table blank spaces)
4. The following are the scores of the male and female students in Statistics. Determine whether the male students perform better in the subject than the female students. Use 0.05 level of confidence. Males 32 25 44 26 25 37 30 25 65 27 22 15 52 X (g) Y (cm) X (g) Y (cm) 155 28 150 28 139 25 138 26 100 20 153 29 145 27 143 27 121 23 114 21 128 20 130 25 143 28 125 21 Females 5. The researcher wishes to find out the relationship between the weight and the length of fish cultured at the fishpond using bread meal as supplemental feed. Is there a significant degree of relationship between the weight and length of the fish? Use 0.05 level of confidence and answer the ff: 1. How much is the weight if it measures 30 cm? 2. How long is the fish if it weighs 120 g?
Chapter 13 A researcher wants to determine whether there is a difference in the mean age of community college prófessors, publiC university professors, and private university professors. Professors from each were randomly selected across America and their ages were recorded. The data is given below. Test whether there is a difference in the mean ages. Find the P-Value. Community College Public University Private University 23 38 45 28 36 45 27 41 39 37 47 61 52 42 36 25 31 35 O 0.3571 O 0.2357 O 0.1142 O 0.2289
7. A sample of 12 students participated in an online tutoring program in mathematics. Each student took a pretest before the program started, and a posttest after completely the program. Following are the scores. Student 1 4 5 6 7 9 10 11 12 Pre test 73 76 45 77 65 44 51 53 78 70 46 79 Post Test 83 89 57 79 75 39 62 76 79 39 94 Can you conclude that the median scores differ between the pretest and the posttest? Use the a = 0.05 level of significance. 00 ino
Consider the data below describing students' score in Mathematics at a school. 78 82 78 75 46 53 69 64 72 83 89 47 77 64 62 72 67 59 82 66 50 54 83 43 69 67 50 70 68 77 91 40 75 75 57 69 80 63 98 67 64 73 100 69 73 67 89 49 61 58 60 79 76 63 54 56 58 69 50 74 35 94 81 73 47 70 58 67 82 61 64 44 83 85 59 62 85 73 62 75 81 68 76 69 85 46 72 57 76 64 70 48 90 83 59 54 83 84 92 72 99 82 96 63 73 63 50 79 59 87 76 54 71 67 88 61 69 72 72 87 56 83 100 95 94 82 49 85 46 77 48 72 70 68 31 94 96 74 94 92 97 43 81 68 73 85 94 54 72 63 76 63 71 56 78 62 82 49 68 73 68 73 75 51 79 32 57 49 55 81 79 49 67 76 66 75 57 76 61 69 72 46 75 57 53 53 66 88 65 96 84 72 64 59 46 80 41 41 69 55 Using SPSS, 1) Arrange the data in a stem-and leaf plot. Then, determine whether the data is normally distributed or not? Justify your answers.
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 4 4 2 5 2 6 3 7 1 8 4 9 2 10 1 The mean score on this test is: IncorrectThe median score on this test is: Show your work
The boxplot shown below results from the heights (cm) of males listed in a data set. What do the numbers in that boxplot tell us? 152 173.3 194 169.6 179.5 The minimum height is cm, the first quartile Q, is cm, the second quartile Q, (or the median) is cm, the third quartile Q, is cm, and the maximum height is cm. (Type integers or decimals. Do not round.) O Time MacBook Pro -> G Search or type URL esc ! %23 $ & 1 4 5 7 8 9 Q W R Y tab S F K caps lock C V shift fn comman control option command

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