Descriptive statistics

Statistics Worksheet Part A Question 1 a) Below is the calculation for the Pearson product-moment correlation coefficient between the total number of problems correct and the attitude toward test taking. Total no. of problems correct (out of a possible 20): X Attitude toward test taking (out of a possible 100): Y (X - X ̅)² (Y - Y ̅)² (X-X ̅)(Y-Y ̅) 1 17 94 1.96 204.49 20.02 2 13 73 6.76 44.89 17.42 3 12 59 12.96 428.49 74.52 4 15 80 0.36 0.09 -0.18 5 16 93 0.16 176.89 5.32 6 14 85 2.56 28.09…

Students in the online sections should email their cases to their online TA. Name: Jennifer Johnson Zhao Jin OIS – 3440 Applications of Business Statistics Section “00” Instructor: Professor Tariq Mughal Case 10.1 Motive Power Company – part 1 Executive Summary In case 10 .1 Motive Power Company Part 1, manufacturing manager Cregg Hart is approached by another supplier for rivets. Motive Power is very keen on their quality and are interested in evaluating the new rivets by…

Results Analyses focused on an uninterrupted random sampling of participants in the HCAHPS Survey data for the four-quarterly periods of April, July, October and December. The data sets reflected in this analysis represents the specific quarterly time periods between 7/1/2014 - 6/30/2015. These findings provide for an effective overview and comparative analysis of sufficient data from a total of 300 respondents at Scripps Mercy Hospital, as well as the results reflected in the…

the primary research question: To what extent does SES explain the differences between school district student achievement in the State of Connecticut on Common Core-aligned assessments? Results and Conclusions We begin by reporting the descriptive statistics that show the percent of districts and students that are the subject of analysis. [Insert Table 1] We then present the measures of central tendency by grade for both subjects on the SBA. [Insert Table 2] The main research question dealt…

This paper is an academic critique of an article written by Sapna Solanki (2013) titled: Determinants of Consumer Involvement: A Quantitative Analysis of Laptop Purchase. The author undertook a research study to find out the impact of demographic variables and attributes on consumer involvement in purchase of laptops. My examination deliberately concentrates on particular parts of the article as far as procedure and legitimacy of exploration strategies and results. I have attempted to develop a…

3102046 What factors affects nursing retention in the acute care setting? The aim of this essay is to assess critically a research paper among few quantitative and qualitative research documents provided. The research document was intended to get a better insight of what factors affect nursing retention in the acute care setting. The quantitative has been chosen due to its collection analysis data in numbers. The main center of attention of this essay is to critique a research paper by…

Regression Method Based on the data we collected, our expected regression equation is: Walmart revenue = β0 – β1CPI + β2CSI + β3ECOM – β4GAS + β5POP –β6INT – β7UNEMP + β8EARN Then we ran the regression on Minitab and got an actual regression equation. We used the method (i.e. five questions and nine problems) to evaluate the equation Minitab produced. For each of the nine problems, we ask five questions: What is the problem? How can I detect it? What are the consequences of the problem? What are…

1. a. The data set consist of 44 female and 53 males. b. There are 21 people under the age range of 13-35, which account for 21.6% of the total 97 in the sample. c. The mean level of the hour spent in the office during week 2 is 47.47 hours, with the standard deviation of 17.06. The distribution is slightly negative skew (-0.237), although in an acceptable range suggest that slightly more samples spend more hours in office than the average. The distribution’s value for kurtosis (-1.005)…

Introduction Antibiotics were initially thought of as a superior drug that could kill many bacterial diseases. Prior to antibiotics, it was hard for anyone to fight a bacteria. However, bacteria are very changing and have begun being able to gain resistance against antibiotics due to overuse, not strong enough dosage of antibiotics, or improper use. By determining the resistance and cross-resistance, one may determine the the relative ability for bacteria to gain resistance to antibiotics. We…

Metabolism is a complex process in organisms that convert the food into energy for organism to function properly. Metabolic rate is typically defined as the amount of energy the organism is currently using to maintain the activity (Perkin, 2015). Since metabolism is a key in sustaining the organisms’ life, we decided to investigate the experiment about metabolic rate caterpillar, Manduca sexta. There are many techniques used to measuring the metabolic rate, but there are only best method that…