1. The two branches of statistics are and RPOINTS 2). The two techniques or proc
ID: 3170078 • Letter: 1
Question
1. The two branches of statistics are and RPOINTS 2). The two techniques or procedures essential to reduce bias in a research study are and POINTS The scores on a recent mathematics exam are listed below. 58 62 66 69 72 72 75 78 78 78 79 79 80 82 82 84 86 88 89 91 92 94 95 98 Use this set of data to complete problems 3-8 3). Construct a stem and leaf display for the set of exam scores. 8POINTS 4). Calculate the mean of the set of data and round to the nearest tenth of a unit. 10 POINTS 5). Find and state the median of the set of data. SHOWYouR wORK 2.POINTs 6). State the mode(s) for the set of data if such exists. 5POINTs 7). Calculate the standard deviation for the set of data. SHOWYOUR WORK 20 POINTS 8). Label and list the five number summary and construct a box plot (or box andExplanation / Answer
1. Two branches of statistics are descriptive statistics and inferential statistics.
9. a) inter quartile range extends from q1 to q3.
10. a) false a set of data may or may not have mode.
b) true when mean<median<mode ,set of given data is negatively skewed.
c) false, the median is the middle number of the data. It can be an actual data element.
d) true
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