Mat 232 Samenvattingen, Aantekeningen en Examens

MAT 232 Homework week 1 2023. What is a census, what is a sample, and what is the difference between them? A.A census is the collection of data from a large group of people, while a sample is the collection of data from a small group of people. In general, a census will contain data from at least 1000 people. B.A census is the collection of data from only a part of the population, but a sample is the collection of data from every member of the population. C.A census is the collection of dat...

A newspaper provided a "snapshot" illustrating poll results from 1910 professionals who interview job applicants. The illustration showed that 26% of them said the biggest interview turnoff is that the applicant did not make an effort to learn about the job or the company. The margin of error was given as plus or minus 3 percentage points. What important feature of the poll was omitted? a. The confidence level b. The point estimate c. The sample size d. The confidence interval a. the c...

Statistic v. Parameter - Answer- Parameter is a numerical measurement describing some characteristics of a population and a statistic measures a sample. Qualitative v. Quantitative - Answer- Quantitative = numerical or measurements (quantity) Qualitative (or Categorical) = names or labels (not numbers that represent counts or measurements). Discrete v. Continuous data - Answer- Discrete = the data values are quantitative (numbers) and the number of values if finite. - Whole #, e.g. te...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

What is a sample statistic, what is a population parameter, and what is the difference between them? What is a sample statistic? A. A sample statistic is a range of likely values that a population parameter could take. B. A sample statistic is a numerical value describing some attribute of a population. C. A sample statistic is a numerical value describing some attribute of a sample. This is the correct answer D. A sample statistic is a portion of the entities of interest that the resear...

MAT232 Statistical Literacy Week 5 Assignment 2023. Assignment: Week 5 - Assignment For the following pair of variables, state whether you believe the two variables are correlated. If you believe they are correlated, state whether the correlation is positive or negative. Explain your reasoning. The age of the pilot and the altitude of the aircraft Choose the correct answer below. A. Positive correlation because older pilots tend to fly at higher altitudes B. The variables are not correlat...