Study guides, Class notes & Summaries

) The main purpose of descriptive statistics is to A. summarize data in a useful and informative manner B. make inferences about a population C. determine if the data adequately represents the population D. gather or collect data 2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called A. statistics B. descriptive statistics C. inferential statistics D. levels of measurement 3) The performance of personal and business investments is measu...

1. What level of measurement is the number of auto accidents reported in a given month? A. Interval B. Ratio C. Nominal D. Ordinal 2. If two events A and B are mutually exclusive, what does the special rule of addition state? A. P(A or B)=P(A)-P(B) B. P(A and/or B)=P(A)+P(B) C. P(A or B)=P(A)+P(B) D. P(A and B)=P(A)+P(B) 3. For any data set, which measures of central location have only one value? A. Mode and standard deviation B. Mode and mean C. Mean and median D. Mode and median ...

1. What level of measurement is the number of auto accidents reported in a given month? A. Interval B. Ratio C. Nominal D. Ordinal 2. If two events A and B are mutually exclusive, what does the special rule of addition state? A. P(A or B)=P(A)-P(B) B. P(A and/or B)=P(A)+P(B) C. P(A or B)=P(A)+P(B) D. P(A and B)=P(A)+P(B) 3. For any data set, which measures of central location have only one value? A. Mode and standard deviation B. Mode and mean C. Mean and median D. Mode and median ...

QNT 351 Final Exam Questions and Answers – 30/30 What level of measurement is the number of auto accidents ….in a given month? If two events A and B are mutually exclusive, what does the special rule of addition state? For any data set, which measures of central location have only one value? What is the variable use to predict the value of another …..? A null hypothesis makes a claim about a The performance of personal and business investments is measured as a percentage, return on...