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Start learning 50% faster. Sign in nowNumber of packages of snack sold on Monday = 100 Number of packages of snack sold on Tuesday = 100 – 25 = 75 Number of packages of snack sold on Wednesday = 100 + 10 = 110 Therefore, his total income of 3 days = (100 + 75 + 110) × 10 = 285 × 10 = Rs. 2850 Therefore, savings of person in given 3 days = 0.24 × 2850 = Rs. 684
The median of the following observations 10, 11, 9, 12, 10,10, 12, 10, 9,11 is:
For the frequency distribution of income (in lakh) of the employees in factory
Class 1.5-2.5 �...
Which one is not basis of classification of data.
If the mean and variance of a binomial distribution are 5 and 4, respectively, then the value of n is:
The second quartile for the following data 38, 39, 40, 52, 59, 67, 73, 77, 149, 248 is:
The sample sizes for two cases were 15 each with means as 104 and 114 respectively and variances as 200 and 510 respectively.
Let the null hyp...
If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
Completely randomized design is based on the principles of _________ and randomization only.
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
