500_PracMid1

# 500_PracMid1 - Stat 500 Practice Midterm 1 Note that the...

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Stat 500 : Practice Midterm 1 Note that the purpose of this practice exam is to let you know about the format for the midterm. It does not indicate the length of or the subjects that will appear on the midterm. 1. T F In a box plot, if one whisker is longer than the other, the data is skewed in the direction the long whisker. 2. T F Probability is the language of uncertainty; it is the mechanism for making inferences; it is the tool that enables us to make an inference. 3. Which of the following (a)-(g) is not a characteristic of normal curves? If all are characteristics, select (h). (a) bell-shaped (b) mound-shaped (c) symmetrical about the median (d) centered at the mode (e) extends from – to + (f) most of the area is within the interval ( μ - 3 σ , μ + 3 σ ) (g) unimodal (h) all of the above are characteristics of normal curves 4. Data Set 1 : 7.2, 5.1, 8.4, 6.3, 9.1 Data Set 2 : 7.2, 5.1, 8.4, 6.3, 9.1, 70.8 (1) Find the mean and median for each of the above data sets.

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