For each week's Project, you will answer statistical questions and solve statistical problems using the Statdisk software. Remember that the primary focus of these exercises is to understand how to properly solve statistical computations using the Statdisk software. It is also important to focus...
The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly...
Assume that when adults with smartphones are randomly? selected, 49?% use them in meetings or classes. If 7 adult smartphone users are randomly? selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is?...
Week 4 Assignment - Case Study: Transforming Data Into Information Overview The Woodmill Company makes windows and door trim products. The first step in the process is to rip dimension (2 × 8,2 × 10, etc.) lumber into narrower pieces. Currently, the company uses...
I will inbox instructions Assignment 4: t Tests The one sample t Test for a mean (5 points) Reminder: Please include all SPSS output by pasting the relevant tables/figures from SPSS in your assignment. A market research company found that children in America between...
Line graphs provide an excellent way to map independent and dependent variables that are both quantitative. When both variables are quantitative, the line segment that connects two points on the graph expresses a slope, which can be interpreted visually relative to the slope of...
Suppose you have 2 sets of data to work with. The first set is a list of all the injuries seen in a clinic in a month’s time. The second set contains data on the number of minutes that each patient spent in the waiting...
The Youth Risk Behavior Survey (YRBSS) is a national survey monitoring health behavior among youth and young adults. It is administered by the Centers for Disease Control and Prevention (CDC). For this assignment, use the "Youth Risk Behavior Surveillance System Dataset" provided to practice...
Data Collection Practice A maker of energy drinks is considering abandoning can containers and going exclusively to bottles because the sales manager believes customers prefer drinking from bottles. However, the vice president in charge of marketing is not convinced the sales manager is correct....
1) Middleton and colleagues (2010) conducted a study to look at the relationship of physical activity over the life course (i.e., at different ages) and the development of late-life cognitive impairment. They analyzed cross-sectional data using logistic regression, and reported the following results: Describe...