Exam (elaborations)
QMB 3200 Exam 1 (1)
- Module
- NR 509 Final Exam
- Institution
- NR 509 Final Exam
Exam of 4 pages for the course NR 509 Final Exam at NR 509 Final Exam (QMB 3200 Exam 1 (1))
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QMB 3200 Exam 1Frequency Distribution - ANS-=COUNTIF
Reative Frequency - ANS-= Frequency Distribution / Total
Cumulative Frequency - ANS-Add up the relative frequency from low to high. Should
add add up to 100%
Create Histogram - ANS-Highlight Data > Insert > Charts
Method to determine # of classes in a frequency distribution - ANS-2^k > n
k = number of classes
n = number of data points
Estimated Class Width - ANS-= ( Maximum Data Value - Minimum Data Value) / k
Find frequencies with class widths - ANS-Highlight data > insert > pivot table
1) Move to rows and values,
2) Right click on pivot table
3) Click group and change to size of class width
How to create a Pareto Chart with Ogive - ANS-Highlight y axis column, relative, and
cumulative data (skip frequency) > Insert > chart > cluster column chart > right click
change chart type> series 2: change to line chart
Ogive - ANS-cumulative relative frequency as a line on Pareto chart
Calculate Weighted Mean - ANS-= multiple the values by there frequencies. Add them
all up to get a weighted total.
weighted mean = weighted total / actual total
Calculate Mean - ANS-=AVERAGE
Calculate Median - ANS-=MEDIAN
Calculate Mode - ANS-=MODE
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