Explain different types of Graphs and Charts.
[5 marks]Discuss the importance and limitations of Statistics.
[5 marks]Draw Histogram and frequency polygon on the same graph paper for the following frequency distribution. Class 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Fi 6 11 18 23 14 9
[4 marks]Find Mean, Median and Mode for the following data. 9, 12, 5, 10, 11, 20, 18, 14,
[12 marks]Find Q3, D8, and P72 for the data given below. 11, 18, 15, 9, 20, 14, 21, 6, 16,
[12 marks]Discuss the uses and characteristics of a good average.
[5 marks]Calculate Mean, Median and Mode for the given frequency distribution. Class 0-5 5-10 10-15 15-20 20-25 25-30 30-35 Frequncy 5 9 14 21 16 12
[8 marks]Find s.d., variance and CV for the following data. 8, 5, 12, 21, 18, 9, 10, 14, 6,
[20 marks]Write a note on Types of correlation.
[5 marks]Find rank correlation coefficient. X 10 5 12 20 21 9 Y 21 11 12 20 6 10
[15 marks]Find equation of regression line. X 12 4 11 14 10 9 Y 9 10 8 16 8 5 9
[6 marks]Write a note on Scatter Diagram Method.
[5 marks]Calculate Karl Pearson’s correlation coefficient. X 9 15 8 6 12 10 Y 11 10 9 10 9 11
[12 marks]Discuss: Components of Time Series.
[5 marks]Find Trend values by Three yearly moving averages. Year 2011 2012 2013 2014 2015 2016 2017 2018 Y 45 48 54 47 51 58 49 44
[5 marks]Discuss: Advantages and Limitations of Sampling.
[5 marks]Write a note on Simple Random Sampling.
[5 marks]