Lab2-Descriptive-Stats-2010

Lab2-Descriptive-Stats-2010 - 2.0 Calculate the following...

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

View Full Document Right Arrow Icon
INEN 314 Lab Exercise: 2 Descriptive Statistics The following table contains observed data for service times at a local hamburger place. These times include placing an order, paying and then getting a hamburger. 0.02 4.04 0.37 4.85 8.22 3.14 2.19 1.39 4.85 2.66 2.39 1.04 1.95 1.65 5.02 4.75 0.99 4.06 3.27 2.13 1.52 3.04 16.44 2.83 5.03 2.66 2.54 3.67 3.45 6.71 4.45 11.51 2.14 1.58 5.49 1.85 1.92 3.78 2.57 7.23 3.19 0.71 0.83 2.28 7.66 1.99 3.73 6.88 3.46 4.39 2.50 6.03 10.29 3.07 7.12 3.26 4.39 3.34 3.41 4.73 7.98 0.94 8.52 7.78 3.79 1.16 5.00 0.86 7.02 4.95 2.66 6.03 4.21 4.19 5.08 3.29 3.57 3.37 2.80 2.82 1.03 5.16 3.35 5.83 5.97 4.56 4.05 5.79 2.34 0.72 2.10 7.15 6.64 1.36 10.79 0.89 2.82 5.08 2.12 0.51 3.23 3.43 3.47 2.07 2.93 4.46 2.08 4.33 3.09 0.84 5.12 6.36 1.15 1.0 Calculate the Mean, Variance and Standard Deviation of this data by hand. For the variance, use both (a) Second Moment about the origin method (2) the “shortcut” method (3) Calculate the “Squared Coefficient of Variation” (4) Calculate the measure of “Skewness” (5_ Calculate the measure of “Kurtosis”.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2.0 Calculate the following statistical descriptors for this data using the above values using (1) Minitab and (2) EXCELdo all results match ? a. minimum b. maximum c. mean d. median e. mode f. variance g. standard deviation h. Squared coefficient of variation i. skewness j. kurtosis 3.0 Define and give an example of the following scales of measurement. (1) Nominal (2) Ordinal (3) Interval and (4) Ratio. Which scale would most likely be used in general engineering applications? 4.0 Using the full set of data, do the following. 3.1 Plot a Minitab histogram with 10 cells of width 1.50. Identify a possible probability density function for this data. 3.2 Using the full set of data, calculate a pie chart from the histogram data 3.3 Plot an EXCEL histogram with 10 cells of width 1.50. Identify a possible probability density function for this data....
View Full Document

Page1 / 2

Lab2-Descriptive-Stats-2010 - 2.0 Calculate the following...

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