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Questions:

1. What do you mean by correlation? Explain types of correlation. What is the Karl Pearson coefficient of correlation?
2. Find the missing value from the given table showing the age of the mother and the average number of children born per mother.
3. Calculate the missing frequency from the given data where the median is provided.
4. Fit a straight line trend by the method of least squares for the given data.
5. In a game of cards, what is the chance that a particular player gets all the four kings?
6. Calculate the trend value by the method of least squares from the given data.
7. Find out the coefficient of concurrent deviation from the given data.
8. Calculate the value of Log 656 by Lagrange method using the given data.
9. What are the other measures based on standard deviation? What is meant by time series?
10. Three coins are tossed simultaneously. What is the probability that there will be exactly two heads?
11. At an examination where 600 candidates appeared, boys outnumbered girls by 16%. If the number of passed candidates exceeds the number of failed candidates by 310 and boys failing in the examination numbered 88, calculate the coefficient of association between male sex and success at the examination.
12. Explain the meaning, classification, and importance of tabulation of statistical data. Discuss the different methods of classification.
13. The mean of the given frequency table is 25. Find the missing frequencies.