Ma215 - Samenvattingen, Aantekeningen en Examens

In het vak FA-MA215 vinden enkele practica plaats. Hierbij worden 2 groepen gevormd, een onderzoek veiligheid en de ander effectiviteit. De uitslagen dienen gecombineerd te worden tot een compleet verslag. Dit is mijn verslag uit het collegejaar 2022-2023. Ik haalde hiervoor een 7,8

In het vak FA-MA215 dient bij elk hoorcollege een artikel te worden gekozen. In de reader licht je toe waarom dit artikel bij het hoorcollege/thema hoort. De reader lever na de 2e week van de cursus in en telt mee voor je cijfer. Ik haalde met deze reader een 8,5.

MA215 W5A MA215 Week 5 Assignment Grantham University MA215 Question1: In a poll of 600 voters in a campaign to eliminate non-returnable beverage containers, 210 of the voters were opposed. Develop a 92% confidence interval estimate for the proportion of all the voters who opposed the container control bill. 0.31568, 0.38432 Question2: A random sample of 87 airline pilots had an average yearly income of $99,400 with a standard deviation of $12,000. · If we want to determi...

MA215 W4A MA215 Week 3 Project Assignment Grantham University MA215 Question 1: How many elements are in this data set? 7 How many variables are in this data set? 3 How many observations are in this data set? 21 Name the variables and indicate whether they are categorical or quantitative. Hi - Quantitative, Lo - Quantitative, Condition - Categorical Question 2: E D C B A Grades 0.2 0.25 0.5...

MA215 W1A MA215 Digital Imagery Grantham University MA215 Question 1: 1. How many elements are in the above data set? 10 elements 2. How many variables are in this data set? 6 variables 3. How many observations are in this data set? 10 observations 4. Which variables are categorical, and which are quantitative? Categorical would be their name, marital status, and source. Quantitative would be ranking, worth, and age. Question 2: 0 10 20...

MA215 W6A WEEK 6 ASSIGNMENT 1 MA215 Week 6 Assignment Grantham University MA215 Question 1 Professor Nord stated that the mean score on the final exam from all the years he has been teaching is a 79%. Colby was in his most recent class, and his class™s mean score on the final exam was 82%. Colby decided to run a hypothesis test to determine if the mean score of his class was ...

MA215 W8PA MA215 Week 8 Project Assignment Grantham University MA215 Through each week using different metrics to analyze the ROI of Business and Engineering majors has given a greater outlook into the differences between the two of them. Even when digging into each data set and the difference between public and private is great. Each column in the data given presents its own set of values and functions that can be used. Between the Business and Engineering majors you have four major colum...

MA215 W7A MA215 Week 7 Assignment Grantham University MA215 Question 1 Develop a least-squares estimated regression line. Price (y) = 1.04 + 0.00991(x) Compute the coefficient of determination and explain its meaning. Model Summary S R-sq R-sq(adj) R-sq(pred) 0.98061 56.29% 47.55% 5.00% 5 There is around a 56.3% variation in the response variable price that is explained by the linearmodel. Compute the correlation coefficient between the price and the numb...

MA215 W6PA MA215 Week 6 Project Assignment Grantham University MA215 Eng Maj: n = 20 mean = 0.0915 StDev = 0.0146 SE mean = 0.0033 Business Maj: n = 20 mean = 0.0782 StDev = 0.0110 SE mean = 0.0025 Difference = u (engineering major) “ u (Business Major)Estimate for difference: 0.01325 0.95 Eng Maj: n = 20 mean = 0.0915 StDev = 0.0146 SE mean = 0.0033 Business Maj: n = 20 mean = 0.0782 StDev = 0.0110 SE mean...

MA215 W5A MA215 Week 5 Assignment Grantham University MA215 For each of the 2 majors consider the ˜School Type™ column. Assuming the requirements are met, construct a 90% confidence interval for the proportion of the schools that are ˜Private™. Be sure to interpret your results. Business ROI “ 90% confidence interval = 0.367 and 0.733 The true proportion of the schools that are private is between 0.367 and 0.733. Engineering ROI “ 90% confidence interval = 0.653 and 0.947 T...