Reference no: EM13648175
Ques.1 Comment on "Quantitative Techniques is a scientific and for enhancing creative and judicious capabilities of a decision maker", also state the different elements of Decision.
Ques. 2 The raw data displayed here are the scores (out of 100 marks) of a market survey regarding the acceptability of a new product launch by a company for a random sample of 50 respondents
40 45 41 45 45 30 39 8 48
25 26 9 23 24 26 29 8 40
41 42 39 35 18 25 35 40 42
43 44 36 27 32 28 27 25 26
38 37 36 35 32 38 40 41 43
44 45 40 39 41
- Form a frequency distribution having 9 class intervals
- Form a percentage distribution from the frequency distribution (from part a)
- Form a histogram, frequency polygon and frequency curve of the frequency distribution (from part a)
Ques.3 Compute the mean, standard deviation and Coefficient of variation of the following data and comment on the result
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Size
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Frequency
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12.5
13.0
13.5
14.0
14.5
15.0
15.5
16.0
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4
19
30
63
66
29
18
1
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Ques.4 Following figures give the rainfall in inches for the year and the production in 00' of Kgs. For the Rabi crop and Kharif crop. Calculate the Karl Pearson's coefficient of correlation, between rainfall and total production and comment on the result.
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Rainfall
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Rabi Production
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Kharif Production
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20
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15
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15
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22
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18
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17
|
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24
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20
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20
|
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26
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32
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18
|
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28
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40
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20
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30
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39
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21
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32
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40
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15
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Ques.5 The marks obtained by Nine students in Physics and Mathematics are given below:
Marks in Physics: 35 23 47 17 10 43 9 6 28
Marks in Mathematics:30 33 45 23 8 49 12 4 31
Compute their ranks in the two subjects and coefficient of correlation of ranks.
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Second person pulls vertically upward on the crate
: A crate with a weight of 50N rests on a horizontal surface. A person pulls horizontally on it with a force of 10N and it does not move. To start it moving, a second person pulls vertically upward on the crate. If the coefficient of static friction is..
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What is the magnitude of the downward acceleration
: A spring is attached to an overhead beam. If you put a mass of 17 0 g on it, and it proceeds to stretch a distance of 7 cm, What is the magnitude of the downward acceleration
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Find the two lines of regression
: Find the correlation coefficient between Age(X) and Blood Pressure(Y) and discuss its nature and find the two lines of regression.
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Capacitor-battery and resistor are connected in series
: When a capacitor, battery, and resistor are connected in series, does the resistor affect the maximum charge stores on the capacitors? Why or why not? What purpose does the resistor serve?
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Compute the mean and standard deviation
: Form a frequency distribution having 9 class intervals and form a percentage distribution from the frequency distribution (from part a) - Compute the mean, standard deviation and Coefficient of variation
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Distance 3d from the other charge-what is its kinetic energy
: Two equal charges Q are separated by a distance d. One of thecharges is released and moves away from the other due to the forcesbetween them. When the moving charge is a distance 3d from theother charge, what is its kinetic energy?
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Determine at what angle is the first maximum located
: In a location where the speed of sound is 330 m/s, a 2000 Hz sound wave impinges on two slits 30cm apart. At what angle is the first maximum located
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Number of identical light bulbs to flash-light battery
: You connect a number of identical light bulbs to a flash-light battery. a) What happens to the brightness of each bulb as more bulbs are added to the circuit if you connect them (i) in series and (ii) in parallel?
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Compute how much work did she do
: An ice cube of uniform density, 10.0 cm on a side, is floating inpure water. How much work did she do
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