Calculate the regression coefficients from the following : x: 1 2 3 4 5 6 7 8 y: 3 7 10 12 14 17 20 24
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Ten individuals are chosen at random from a population and their heights are found to be in inches 63, 63, 64, 65, 66, 69, 70, 70, 71. Discuss the suggestion that the Mean height of universe is 65. For 9 ...Read more
Question 1. For given two regression equations x = – 0.4y + 6.4 and y = – 0.6x + 4.6, The mean of y is (a)1 (b)2 (c)3 (d)4 Question 2. Chi-square is used to analyze: Squares Ranks frequencies All of above Question 3. Calculate the ...Read more
Narrate the concept of software reuse briefly.
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write a php code to create database “databse” , create table city (cityname, area,population) and insert into table.
How multimedia helps in application layer. Take examples to support your answer
Compute the rank correlation co-efficient for the following data: Sr. no. 1 2 3 4 5 6 7 8 9 X: 10 15 12 17 13 16 24 14 22 Y: 30 42 45 46 33 34 40 35 39
A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results : n=25, ∑ X= 125, ∑ X^2=650, ∑ Y=100, ∑ Y^2= 460, ∑ XY =508. If was, however, later ...Read more
A random sample of size 16 has 53 as mean. The sum of squares of the deviation from mean is 135. Can this sample be regarded as taken from the population having 56 as mean ? Obtain 95% and 99% ...Read more