What is statistics ? Explain in detail types of variable with example .
[7 marks]Explain in detail two dimensional diagram with hypothetical example .
[7 marks]Diffreciate correlation and coregression .
[7 marks]Determine the Interquartile range on the following data.
[7 marks]Draw histogram and frequency polygon graph from the following data : Wages 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Workers 10 14 17 20 17 14
[10 marks]Explain in detail various types of graph in presentation of data .
[7 marks]Find correlation coefficient for the following data: X 44 46 46 48 52 54 54 56 60 60 Y 36 40 42 40 42 44 46 48 50 52
[ marks]Write a short note on various classification of correlation with respective graph /chart . Find the regression line equation for the following data:
[7 marks]X 50 60 50 60 80 50 80 40 70 Y 30 60 40 50 60 30 70 50 60
[7 marks]Find Mean and Median for the following data: Marks 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 45-50 Frequency 7 15 24 31 42 30 26 15 Page 1 of
[2 marks]Determine following term value : 1. 4P4 + 8P2 2. 10Pr 3. 48C2 + 25C24 4. nCn-2 = 28
[7 marks]Find standard deviation for the following data: Xi 45 50 55 60 65 70 75 80 Fi 3 5 8 7 9 7 4
[7 marks]Explain in detail measures of central tendency .
[7 marks]Briefly explain methods of assigning probability .
[7 marks]Abag contains 3 black, 4 white and 5 red balls. Aball is drawn at random. What is the probability that it is a (1) black ball (2) white ball (3) red ball (4) non-black ball.
[ marks]07
[ marks]Given X = {1,3,5,7,8,9}, Y = {2,4,7,9} and Z = {1,2,3,4,7}, solve the following
[ marks]X U Zb) X Π Yc) X Π Z
[ marks]X U Y U Ze) X Π Y Π Zf) (X U Y) Π Z
[ marks](Y Π Z) U (X Π Y)
[ marks]Diffreciate following term : 1. Group and ungroup data 2. Discrete and continues variables 3. With replacement and without replacement Page 2 of