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Quiz # 2 is uploaded, comprises of chapter # 11 to 19, kindly share your screen shot with other to help them out
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When a coin is tossed, then sample space consists
• 2 outcomes
• 4 outcomes
• 6outcomes
• 8outcomes
If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation
• 1
• -1
• -1 to +1
• 0
If A = {1,2,3,4 } and B = {3,4,5,6} then A intersection B will be:
???
If a die is rolled, what is the probability of getting an even number greater than 2?:
1/3
The value of 10C9:
• 45
• 35
• 35
• 10
If Y=3X+5,then S.D of Y is equal to
• 9 s.d(x)
• 3 s.d(x)
• s.d(x)+5
• 3s.d(x)+5
Sometimes mean deviation can also be caluculated around:
• Quartiles
• Deciles
• Median
• None of the above
Relative measure of dispersion for Quartile deviation is:
• Co-efficient
• Co-efficient of Quartile Deviation
• Co-efficient of Deviation
• None of the above
Which of the measure of dispersion is used to compare variation between two series?
• c.v
• q.d
• m.d
• s.d
3/4 posible sample {HH,TH,HT}
mean -3s.d, mean + 3s.d
At least 1-1/32=8/9 of the data-values will fall within 3 standard deviations of the mean, i.e. within the interval (X –3S,X + 3S)
Xm-Xo/Xm+X0
true
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