Q3] From the following frequency tableC0-44-8F23Find the variance.8-12512-164Gu6=816-206

Given the frequency table C 0-4 4-8 8-12 12-16 16-20 F 2 3 5 4 6

Answered: ] From the following frequency table

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A graduate-level computer science course only gives the grades of A, B, or C. The department has determined that there should be 40% A's given, 40% B's given and 20% C's given as final grades for the course. For the spring 2021 semester, 200 students took the course and 100 students received A's, 50 students received B's and 50 students received C's, so those are my observed frequencies. We want to do a Chi-square Multinomial Goodness of Fit test to see if our grading guidelines match up with what is actually happening. What is the expected frequency for the grade of B category? Round your answer to the tenths position.
A random sample of 20 adults in a particular country were asked to state what type of birth control method they use. The results are in the table below. None None None Condom Condom Condom Pill Pill Other Other Pill Other Condom Condom Pill None Condom Pill Pill Other a) Since data were collected for variable(s), the correct graph to make is a . b) Complete the frequency/relative frequency table. Birth Control Type Frequency Relative Frequency None Condom Pill Other c) Which of the following is the correct bar chart for the given data? 2468Birth Control TypeFreqNoneCondomPillOther[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Birth Control…
Dr.Blume has trained observers to use frequency recording to record the behavior of 12 schizophrenic clients. According to the analysis of the data κ = 0 . 47, do you think the observers are sufficiently trained to allow Dr. Blume to proceed with the research?
Refer to the following frequency distribution on days absent during a calendar year by employees of a manufacturing company How can the data be graphically presented? yet anwnd whad ut of100 Days absent O up to 3 days 3 up to 6 days 6 up to 9 days 9 up to 12 days 12 up to 15 days Number of employees 60 Fag oton 31 14 16 12 Select one Ca Frequency bar chart Ob pie chat O e Frequency polygon Od Frequency table Oe Bar chart
these go together. Can you guys bring back your live chat please?
solve question b
In which of the following type of frequency graph is used to draw vertical bars for each class? a. Histogram O b. Polygon O C. Ogive d. Pareto

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