Given, the above is a
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Management · all questionsBusiness Statistics
Business Statistics
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Which of the following statement is/are correct?
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Validation testing is taken up when the
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The decision criterion in which a decision maker selects an alternative that maximises H (criterion of realism) = [a × (maximum in column)] + [(1- a) × (minimum in column)] is called
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Probability density function gives the rate at which the . . . . . . . . would accumulate if we were to sweep from left to right on the axis of the value of continuous random variable.
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Correlation is said to be linear and non-linear if
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Which of the following can be used to determine correlation?
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About normal distribution the correct statement is
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For t-test the assumptions is
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MIS feasibility study does not include . . . . . . . . feasibility.
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Find the probability that in a family of 4 children there will be at least one boy. Assume that the probability of a male birth is .
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. . . . . . . . errors are made when we accept a null hypothesis which is not true.
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. . . . . . . . is a process of transporting the data from one location to the other
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Six dice are thrown 729 times. How many times do you expect the dice to show five or six?
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You are given the following information about advertising expenditure and sales.
Correlation coefficient between advertising expenditure and sales 0.80. What is the likely sales for advertising budget of Rs. 15 lakh?
| Advertisement (X) | Sales (Y) (Rs. in lakh) | |
| Arithmetic Mean | 10 | 90 |
| Standard Deviation | 3 | 12 |
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From a well shuffled pack of 52 cards a card is selected at random. Find the probability that it is a black coloured card
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In a negatively skewed distribution,
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Management information system plan includes
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In two large populations there are 35 and 30 per cent of fair haired people. Will the differ ence disappear at 5% level of significance, if samples of 1500 and 1000 are respectively taken from the two populations?
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Given, N = 15, = 25, = 18, d2x = 136, d2y = 138, dxdy = 122. Calculate the correlation coefficient.
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