Computer Engineering Sem 4 Qa Question Paper PDF 2026 - Mumbai University | munotes
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Questions asked in this paper
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Q1 Choose the correct option for following questions. All the Questions are (20 compulsory and carry equal marks locations for a cleanliness check of their operating rooms
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Q5 In method, the upper limit of one class is the lower limit of the next A linear regression (LR) analysis produces the equation Y + 3. This indicates If all the dots of a scatter diagram lie on a straight line falling from left bottom corner to the right upper corner, the correlation is High degree of positive correlation A point estimator is defined as A single value from the sample Average of all sample values Average of all population values A single value that is best estimate of unknown population parameter
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Q2 Solve any Two Questions out of Three 10 marks each What do you mean by a questionnaire? What is the difference between a questionnaire A and State the essential points. to. be remembered in drafting a study about coffee habits in two Towns B the following information Town A: Females were 40%, total coffee drinkers were 45% and female non coffee Town B: Males were 55%, coffee drinkers were 30% and female coffee Present the data into.a table format Explain the following Point Estimation Properties with example
- ii) Unbiasedness
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Q3 Solve any Two Questions out of Three 10 marks each What.is Hypothesis testing? Explain A 1) Z-Test for single mean il) Z-Test for Difference of Mean Perform simple linear regression , Determine slope and intercept The data with regard to the output of gram and cost of seed and labour per hectare at eight farmers’ fields, are as given below: Sr. Cost of produce (Y) Cost of Seed (X1) Cost of Labour (X2)
- a) Fit bix; + b2x2
- b) Find the coefficient of multiple determination (R’)
- c) Also test the significance of regression (Given the appropriate Table value, F = 13.27, for a significance level of
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Q4 Solve any Four Questions out of Six 05 marks each What is Stratified sampling? Explain the merits and limitations of Stratified sampling Explain the following methods to check the performance of Regression Model
- i) MAE In distribution, the simple coefficients of correlation are as follows: If = and 123 = 0.72, calculate the coefficient of partial correlation What is diagrammatic representation of data? Explain its advantages The manufacturer of a certain make of electric bulbs claims that his bulbs have a mean life of 25 months with standard deviation of 5 months. A random sample of 6 such bulbs gave the following values E Life of bulb in months Is the manufacturer’s claim valid at 1% level of significance?(Given that the table values of the appropriate test statistics at said level are 4.032,3.707 and 3.499 for 5, 6 and 7 degree of freedom respectively) Explain method of maximum likelihood with its advantages and disadvantages
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