TRUE OR FALSE

QUESTION 1 Descriptive statistics deals with the selection and use of sample data to produce information about the larger population from which the sample was selected, while inferential statistics focuses on summarizing data True False Q U E ST I O N 2 Time series data are data collected at, or representing, one time period. True False Q U E ST I O N 3 The mean identies the center of the data separating it 50/50 True False QUESTION 4 A survey collects only sample data. True False | Q U E ST I O N 5 The most frequently occurring value of a dam set is usually the average. True False QUESTION 6 When calculating the Mpercentile, if the index L13 an integer then take the average of the data values in the L 1 and L+ 1 positions. True False QUESTION 7 The interquartile range measures the middle 68.3% of the values in the dam set. True False QUESTION 8 If a data value has a z-score of -2.95 then it is considered an outlier. True False