Consumer Awareness of Bank Services OfferedConsumer91781023456Before ad campaign82816866777589748077After ad campaign87848476788381817981Using Wilcoxon matched-pairs test, test the hypothesis that there is no difference in consumerawareness of bank services offered after the advertising campaign. Example 19.5 The management of the Punjab National Bank wants to test the effectiveness of an ad-vertising company that is intending to enhance the awareness of the bank's service features. It admin-istered a questionnaire before the advertising campaign, designed to measure the awareness of servicesoffered. After the advertising campaign, the bank administered the same questionnaire to the samegroup of people. Both the before and after advertising campaign scores are given in the followingtable.

Answered: Image /qna-images/answer/2674e887-588b-46ea-996a-6d5a8336bfd5.jpg

Answered: Consumer Awareness of Bank Services…

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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Age Group Knowledge Level Total Poor Satisfactory Good 18-25 26-34 35-44 45-54 55- 75 33 16 13 30 18 12 29 14 12 36 16 18 17 14 22 62 60 55 70 53 Total 145 78 77 300 Conduct a test, at the 5% level of significance, to determine whether the data provided sufficientevidence to conclude that an association exists between age group and knowledge…
Subject Extroversion Neuroticism 1 43 49 2 46 53 3 48 67 4 48 57 5 48 56 6 50 48 7 51 60 8 51 41 9 53 51 10 58 47 11 62 41 12 63 51 13 63 30 14 63 28 15 67 55 16 67 47 17 67 39 7. What is the standard error of the correlation coefficient for the association of extroversion and neuroticism in personalities.xls? 8. Carry out a formal t-test for the association between extroversion and neuroticism in personalities.xls. H0: The population correlation coefficient is 0. HA: The population correlation coefficient is not 0. What is the value of the t-statistic corresponding to this test? (Report the absolute value. The t-distribution is symmetric, thus it is easier to compare the absolute value of the t-statistic with the positive values in statistical table C). 9. Carry out a formal t-test for the association between extroversion and neuroticism in personalities.xls. H0: The population correlation coefficient is 0. HA: The population correlation coefficient is not 0. What is the critical…
NFL Pre-Season Does pre-season success indicate regular season success in the US National Football League? We looked at the number of pre-season wins and regular season wins for all 32 NFL teams over a 10 year span. (a) What would a positive association imply about the relationship between pre-season and regular season success in the NFL? O More wins in the pre-season is associated with more wins in the regular season. O More wins in the pre-season is associated with fewer wins in the regular season. O There is almost no association between the number of wins in the pre-season and the number of wins in the regular season. eTextbook and Media (b) What would a negative association imply about the relationship between pre-season and regular season success in the NFL? O More wins in the pre-season is associated with more wins in the regular season. O More wins in the pre-season is associated with fewer wins in the regular season. O There is almost no association between the number of wins…
Select all the studies where the explanatory variable is measured at the same time as the outcome variable. Clinical Trial Case-Control Cross-Sectional Cohort A survey where a large portion of those under the age of 25 in the sample did not answer the questions about drug use is an example of what type of bias? Selection Measurement Respone Non-Response When the population of interest is everyone in a high school, but only people who attend the sporting events are recruited into the sample, this is an example of what kind of bias? Selection Measurement Respone Non-Response
The number of hours 13 students spend studying and their test scores are given below.Hours Spend Studying 0 1 2 4 4 5 5 5 6 6 7 7 8Test Scores 40 41 51 48 64 69 73 75 68 93 84 90 95A) Which is the predictor variable, and which is the response variable?
Chocolate Chip Cookie Calories The average 1-ounce chocolate chip cookie contains 110 calories. A random sample of 14 different brands of 1-ounce chocolate chip cookies resulted in the following calorie amounts. At the a=0.10 level, is there sufficient evidence that the average calorie content is greater than 110 calories? Assume the population is normally distributed.100 105 185 105 110 115 150 120 180 120 150 100 125 151 a. State the hypotheses and identify the claim H0= (claim or not claim) H1= (claim or not claim) This hypothesis test is a (one tailed or two tailed) test Critical value(s)= t= (Reject or do not reject) the null hypothesis is there enough evidence to support the claim?
Hypothesis Testing with the p-value Method A high school principal claims that the average senior score was at least 25 on the ACT college entrance exam. A sample list of 32 student scores are shown below. At the 0.01 level of significance, is there enough evidence to REJECT the principal's claim? 23 25 25 27 28 29 30 19 20 21 22 27 26 19 16 22 18 18 23 23 19 22 23 28 30 17 13 32 35 20 21 25 1.) Is this a hypothesis test for mean or proportion? If it's a test for mean, do we know the population standard deviation? 2.) Based on your answer in #1, which calculator will you use: A.) Mean - o Known, B.) Mean - o Unknown or C.) Proportions 3.) Will we use a Z-test ort-test? How do you know? 4.) What is the direction of the tail? Left, right or two? 5.) Complete the Hypothesis statement below with the arrows in the correct direction. Mark an X next to the claim. Claim Null Ho: (Use u for mean and p for proportion) Alternative Ha:
Categorical data analysis question The relationship between four types of a genetic disorder and depression was investigated. The data collected for this purpose is as follows. Using this data, test the independence hypothesis between the disorder type and depression and explain the dependency relationship, if any, by calculating and interpreting the residuals. Depression Type1 Type2 Type3 Type4 Yes 150 40 20 20 No 130 30 20 90
Does a statistics course improve a student's mathematics skills,as measured by a national test? Suppose a random sample of 13 students takes the same national mathematics exam prior to enrolling in a stats course and just after completing the course. At a 1% level of significance determine whether the scores after the stats course are significantly higher than the scores before. Take the differences = before - after. Before After430 465485 475520 535360 410440 425500 505425 450470 480515 520430 430450 460495 500540 530 What type of alternative hypothesis is appropriate for this research question? Locate student 9 in the dataset. What rank will be given to this student? What is the value of the test statistic, T? Give answer to 1 decimal place What is the critical value for the study? (Hint: student 10 will be dropped from the analysis, since the scores are the same before and after the stats…

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