Fit a parabola y=ax²+bx+c in least square sense to the data: x = 10 12 15 23 20 Y= 14 17 23 25 21
SIKSHAPATH Latest Questions
Intelligent test were given to two groups of boys and girls with mean , Standard deviation and Size 75,8,60 for girls and 73,10,100 for boys respectively. Is there any significant difference between mean scores.
In right tailed test, if Z > 1.645 , at 5% level of significance then Null Hypothesis Rejected accepted no conclusion none of these
Fit a least square linear approximation Y=a+bX for the data X: -1, 0, 1, 2, 3 and Y: 0, 1, 2 , 9, 29
Using the method of least square , fit a straight line to the following data : x 1 2 3 4 5 y 2 4 6 8 10
In a large consignment of oranges, a random sample of 500 oranges reveled that 65 oranges were bad. Prove that 99.73% of bad oranges in the consignment certainly lie between 8.5 % and 17.5%.