500_PracMid1

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

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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. (2) Why does the median change very little from set to set, while the mean
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 2

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

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online