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Important Questions for "Statistical Methods":

[1]

  1. In a single throw of two dice, what is the probability of getting a total of at least 10?
  2. Describe the importance and applications of Probability.
  3. Explain the properties of Normal Distribution.

[2]

  1. Define probability and prove the addition and multiplication theorems of probability.
  2. What is the probability that both balls drawn will be of (i) black colour (ii) white colour, if two balls are drawn randomly one by one without replacement from a bag containing 5 white and 3 black balls?
  3. Calculate the coefficient of association between literacy and criminality in the state, given the following data: male population = 331 lakhs, literate males = 66 lakhs, male criminals = 33 thousand, literate male criminals = 6 thousand.

[3]

  1. Explain primary and secondary storage devices with examples.
  2. What do you understand by consistency of data? Obtain the consistency of the given data.
  3. Define binomial distribution. Find the probability of at least 9 heads when 10 coins are thrown simultaneously.

[4]

  1. Which of the following statistical methods may be used for quality control?
  2. The data which has already been collected by someone else is called?
  3. Secondary/existing data may include which of the following?

[5]

  1. What is the role of statistical methods in sociology?
  2. What is the difference between primary and secondary data?
  3. What is the significance of action research?

[6]

  1. What is statistical method? Explain.

[7]

  1. Define cross-sectional data. Give an example.
  2. Point out the guidelines while data is classified.
  3. Distinguish between stratified random sampling and cluster sampling.

[8]

  1. For a distribution, the coefficient of quartile deviation is 0.4 and the difference of two quartile is 40. Find the values of quartiles.
  2. Calculate the Arithmetic Mean for following data.
  3. Interpolate the missing figure in the following table.

[9]

  1. Define reliability of a test.
  2. Discuss in detail about the process of interview. Give its merits and demerits.
  3. Describe the uses and concept of Percentile and Percentile ranks.

[10]

  1. What is Statistics? Write its importance.
  2. Define the 'Mean Square Error'. Calculate the 'Coefficient of Variation' from the given data.
  3. Determine the Regression Line Y on X between X and Y from the given data.

[11]

  1. What do you mean by Data?
  2. If Arithmetic Mean=36, Median=38, then find the Mode.
  3. Explain the term Dispersion. What are the various methods of measuring dispersion?

[12]

  1. Discuss the importance of statistical methods in social research.
  2. Differentiate between questionnaire and schedule.
  3. Explain the merits and demerits of case study method.

[13]

  1. Write the properties of a good measure of dispersion.
  2. Explain the Chi-square test for independence of attributes.
  3. Solve the equations of two regression lines obtained in a correlation analysis and calculate regression coefficients, correlation coefficient, and mean values.

[14]

  1. What do you mean by data?
  2. Write the relation between arithmetic mean, median and mode.
  3. Write the difference between sample survey and census survey.

[15]

  1. What is coefficient of variation?
  2. Describe the various t-tests and Chi-square test. How are they individually important for data analysis?
  3. Discuss the scope and applications of Bioinformatics in molecular biology and computers.

[16]

  1. Define 'Less than' and 'More than' ogives with examples.
  2. What are the various measures of central tendency? Explain any one of them.
  3. Explain mean deviation and standard deviation.

[17]

  1. What is Bioinformatics? Also explain the various biological databases.
  2. Explain the term Dispersion. What are the various methods of measuring dispersion? Explain them in detail.
  3. Explain Chi-square test for goodness of fit.

[18]

  1. When might you use FASTA align?
  2. Explain the complete statistical analysis of Completely Randomized Block Design.
  3. Complete the given ANOVA Table.

[19]

  1. What are the basic tools of bioinformatics?
  2. Comment on significance of calculation of Standard Deviation (S.D.) and Coefficient of Variation.
  3. Discuss techniques of database searching.

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