MGT207 Business Statistics
Business Statistics: most repeated questions
Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.
- 5×Asked in 2082, 2081, 2080, 2079, 2078Find 3(A+B) where A= [1 9] [4 1] [3 7] and B= [2 6] [3 3] [1 4]Answer coming2
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- Find 3(A+B) where A= [1 9] [4 1] [3 7] and B= [2 6] [3 3] [1 4]TU Board 2082
- Find ^1/ 2(A B) where A = [8 9] [9 10] [2 5] and B = [5 6] [3 4] [8 5]TU Board 2081
- Find the transpose of matrix A where A=1 243TU Board 2080
- Find 7(A+B) where A=TU Board 2079
- 7 8 6 3 Find 7(A B) where A = 9 10 and B = 3 2 2 5 7 5TU Board 2078
- 5×Asked in 2082, 2081, 2080, 2079, 2078Solve the following equations by using determinant or matrix method: 2x y + z = 2 x + y 2z = 9 x + 2y + z = 9Answer coming10
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- Solve the following equations by using determinant or matrix method: 2x y + z = 2 x + y 2z = 9 x + 2y + z = 9TU Board 2082
- Solve the following equations by using determinant or matrix method 5x + 3y + z = 16 2x + y + 3z = 19 x + 2y + 4z = 25TU Board 2081
- Solve the following equations by using matrix determinant method 3x+2y +5z = 10 2x 3y + 7z = 9 x+y+z=5TU Board 2080
- Solve the following system of linear equations by using determinant or matrix method: 2x y + 2z = 1 x 2y + 3z = 4 4x + y + z = 4TU Board 2079
- Solve the following equations by using determinant or matrix method: 2x + 2y + z = 5 4x + 2y + 3z = 10 x + 3y + 4z = 7TU Board 2078
- 4×Asked in 2082, 2081, 2079, 2078Find the simple aggregative price index number for the year 2023 from the following information: CommoditiesABCDEPrice in 20221525232517Price in 20231827252820Answer coming2
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- Find the simple aggregative price index number for the year 2023 from the following information: CommoditiesABCDEPrice in 20221525232517Price in 20231827252820TU Board 2082
- 6. Find the simple aggregative price index number from the following data:CommoditiesABCDEPrice in 202245583520Price in 202355503228TU Board 2081
- Find simple aggregative price index number for the year 2021 from the following information.CommoditiesABCDEFPrice in 2020 (Rs.)160140150130155120Price in 2021 (Rs.)17013515514015030TU Board 2079
- Find the simple aggregative price index number for the year 2021:CommoditiesABCDEPrice in 20201020181512Price in 20211522202218TU Board 2078
- 4×Asked in 2081, 2080, 2079, 2078The Karl Pearson's coefficient of skewness is 0.5 if mean = 45 and standard deviation = 15, find the value of mode.Answer coming2
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- The Karl Pearson's coefficient of skewness is 0.5 if mean = 45 and standard deviation = 15, find the value of mode.TU Board 2081
- If mean = 25, mode = 28 and standard deviation = 5, find coefficient of skewness.TU Board 2080
- If mean = 35, mode = 40 and standard deviation = 10. Find Karl Pearson's coefficient of skewness and interpret the result.TU Board 2079
- Find the Karl Pearson's Coefficient of Skewness, when mean = 45, mode = 48 and standard deviation = 15.TU Board 2078
- 4×Asked in 2082, 2081, 2079, 2078Find the value of following determinant: 1 a b+c 1 b c+a 1 c a+bAnswer coming2
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- Find the value of following determinant: 1 a b+c 1 b c+a 1 c a+bTU Board 2082
- Find the value of determinantTU Board 2081
- Find the value of determinant of following matrix:TU Board 2079
- Find the value of determinant:156237356TU Board 2078
- 4×Asked in 2081, 2080, 2079, 2078Write any two examples of explicit costs.Answer coming2
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- Write any two examples of explicit costs.TU Board 2081
- Write any four examples of accounting cost.TU Board 2080
- Write any four examples of explicit costs.TU Board 2079
- Prepare a list of examples of explicit costs.TU Board 2078
- 3×Asked in 2082, 2081, 2078Calculate coefficient of variation of a distribution, when mean=40 and standard deviation = 11.Answer coming2
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- Calculate coefficient of variation of a distribution, when mean=40 and standard deviation = 11.TU Board 2082
- Calculate the coefficient of variation of a distribution, if mean is found to be 200 and variance of distribution is 36.TU Board 2081
- Coefficient of variation of a distribution is found to be 20% and variance of distribution is 36. Find the mean value of the distribution.TU Board 2078
- 3×Asked in 2080, 2079, 2078Explain the factors that cause shift in supply curve.Answer coming10
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- 3×Asked in 2082, 2079, 2078Solve the following Linear Programing Problem graphically: Minimize Z = 3x + 5y Subject to constraints: x + 2y ≥ 40 x + y ≥ 30 and x ≥ 0, y ≥ 0Answer coming10
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- Solve the following Linear Programing Problem graphically: Minimize Z = 3x + 5y Subject to constraints: x + 2y ≥ 40 x + y ≥ 30 and x ≥ 0, y ≥ 0TU Board 2082
- Solve the following linear programming problem: Minimize Z = 2x + 3y Subject to Constraint: 5x + y ≥ 10 2x + 2y ≥ 12 x + 4y ≥ 12 x & y ≥ 0TU Board 2079
- Solve the following Linear Programming problem graphically: Maximize Z = 30x + 50y Subject to constraints: x + y ≤ 30 x + 2y ≤ 40 and x ≥ 0, y ≥ 0TU Board 2078
- 3×Asked in 2080, 2079, 2078Write any two relationships between price elasticity of demand and marginal revenue.Answer coming2
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- 2×Asked in 2082, 2078Calculate regression coefficient of Y on X, if correlation coefficient between X and Y= 0.60, standard deviation X series= 7 and standard deviation of Y series= 9.Answer coming2
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- Calculate regression coefficient of Y on X, if correlation coefficient between X and Y= 0.60, standard deviation X series= 7 and standard deviation of Y series= 9.TU Board 2082
- Calculate coefficient of correlation between X and Y if the regression coefficient of Y on X is 0.667 and regression coefficient of X on Y is 0.75.TU Board 2078
- 2×Asked in 2080, 2079Consider the demand function, Qd = a bP and interpret the components.Answer coming2
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- 2×Asked in 2080, 2079Consider the following cost schedule: Q:12345678AFC:1005033.3252016.714.312.5AVC:109881013.317.722.5AC:1105941.33330303235 a) Graph AFC, AVC and AC and explain their behavior. [6] b) Is the trend of AC is influenced by law of variable proportions? Explain [4]Answer coming10
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- Consider the following cost schedule: Q:12345678AFC:1005033.3252016.714.312.5AVC:109881013.317.722.5AC:1105941.33330303235 a) Graph AFC, AVC and AC and explain their behavior. [6] b) Is the trend of…TU Board 2080
- Consider the following cost schedule: Q:012345678TFC:100100100100100100100100100TVC:0101824325080124180TC:100110118124132150180224280 a) Graph TFC, TVC and TC and explain their behavior. b) Is the…TU Board 2079
- 2×Asked in 2080, 2079Consider the following demand schedule; Points:ABCDEIncome (RS):1000020000300004000050000Demand (Units):2004006008001000 a) Compute the income elasticity of demand at movement from B to D and D to B by proportion method [4] b) Compute the income elasticity…Answer coming15
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- Consider the following demand schedule; Points:ABCDEIncome (RS):1000020000300004000050000Demand (Units):2004006008001000 a) Compute the income elasticity of demand at movement from B to D and D to B…TU Board 2080
- Consider the following supply schedule: Points:ABCDEPrice (Rs):010203040Supply (Units):100200300400500 a. Compute the price elasticity of supply at movement from B to D and D to B by proportion…TU Board 2079
- 2×Asked in 2080, 2078Describe the nature of business economics. [5+5]Answer coming10
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- 2×Asked in 2079, 2078Explain the price effect for normal substitutes. How can it be decomposed into income and substitution effects? Explain. [7+8]Answer coming15
- 2×Asked in 2082, 2081Find quartile coefficient of skewness, when median = 40, lower quartile = 33 and upper quartile = 45.Answer coming2
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- 2×Asked in 2081, 2078If P(A) = 0.6, P(B) = 0.5 and P(AUB) = 0.4, find P(A∩B). Where A and B are not mutually exclusive events.Answer coming2
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- 2×Asked in 2081, 2079Let Cost function TC = 50+6Q², Revenue function TR = 100Q 4Q². a. Compute TFC, TVC, TC, TR and profit at output range of 0 to 10 units. [5] b. Using schedules, explain the behaviour of TFC, TVC and TC with proper reasons. [5] c. Graph TR, TC and profit, and…Answer coming15
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- Let Cost function TC = 50+6Q², Revenue function TR = 100Q 4Q². a. Compute TFC, TVC, TC, TR and profit at output range of 0 to 10 units. [5] b. Using schedules, explain the behaviour of TFC, TVC and…TU Board 2081
- Let, revenue function, TR = 100Q Q^2, cost function, TC = 50 + 6Q^2. a) Compute TR, TC and profit (π) at the output range of 0 to 10 units. b) Graph TR, TC and π and explain profit maximization goal…TU Board 2079
- 2×Asked in 2081, 2078Write any four assumptions of indifference curve.Answer coming2
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- 2×Asked in 2080, 2079The year of origin of the following trend line equation of production (in tonne's) is 2017. y = 40 + 1.5 x. Estimate the production for the year 2033.Answer coming2
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- The year of origin of the following trend line equation of production (in tonne's) is 2017. y = 40 + 1.5 x. Estimate the production for the year 2033.TU Board 2080
- The year of origin of the following trend line equation of sales (in millions rupees) is 2015. Y = 50 + 2.5X Estimate the sales for the year 2022.TU Board 2079
- 2×Asked in 2080, 2078What are the factors that cause interest rate differentials?Answer coming2
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- 2×Asked in 2081, 2079What are the causes for the operation of law of increasing returns to scale?Answer coming2
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