QNT FINAL EXAM – QUESTION AND ANSWERS

I got 30/30: 100% 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)...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS • A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the aver...

QNT 561 Final Guide Latest 1. A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10 significance level. For what values of t will the null hypot...

QNT 561 Final Exam 2 1. A difference between calculating sample mean and population mean is A. Only in symbols, we use instead of µ and n instead of N B. We divide sum of observations by n - 1 instead of n C. observations are ranked and select middle value for population mean D. There are ...

QNT 561 Final Exam 4 1) Which of the following measures of central location is affected most by extreme values? A. Mean B. Median C. Mode D. Geometric mean 2) Which level of measurement is required for the median? A. Nominal B. Ordinal C. Interval D. Ratio 3) Which level of measuremen...