IC82 STATISTICS - 07
| Q1.A discrete scale is one in which there are gaps in between the possible values having no element of a fraction and a characteristic that is quantified on a discrete scale is called ___. |
| a) Discrete variables |
| b) Continuous variables |
| Q2.Which test is designed to investigate whether the distribution of a single random variable is homogeneous across two or or populations? |
| a) Chi-Square Test of Homogeneity |
| b) Chi-Square Goodness of Fit Test |
| c) Chi-Square Test for a normal distribution |
| d) None of these |
| Q3.Calculate Average Marks obtained in Mathematics by 100 students in the Class, given the following Distribution of Marks obtained, and Number of Students who obtained similar marks as under: |
| a) 65 |
| b) 75 |
| c) 80 |
| d) 90 |
| Q4.Which of the following is the Second step in splitting the Square Deviation into components? |
| a) Total sum of squares(Deviation) |
| b) Error sum of squares(variations from Treatment Mean) |
| c) Treatment sum of squares(Variations) |
| d) None of these |
| Q5.When we observe a group of elements with respect to some ____, the numerical results obtained from the observation of each element is a value of the variable. |
| a) Qualitative Variable |
| b) Quantitative Variable |
| Q6.The admission for a specified course is subject to minimum ' Weighted Average' Marks and different weight is prescribed for each of the five subjects at Graduation is as follows: 1.w_1:Regional Language 2.w_2:English 3.w_3:Physics 4.w_4:Mathematics 5.w_5:Statistics. Find the Weighted Average for Student D? |
| a) 50.2 |
| b) 55.7 |
| c) 62 |
| d) 69.4 |
| Q7.43,60,560 is the Actual Figure. 43.60,000 is the Figure Rounded to _____._ |
| a) Lower Thousand |
| b) Higher Thousand |
| c) Nearest Thousand |
| d) Either a or c |
| Q8.Which index measures changes in some price characteristics (Consumer Price Index)? |
| a) Quantity Indices |
| b) Value indices |
| c) Price indices |
| d) None of these |
| Q9.Which of the following examples will illustrate the effect of seasonal variations in the quantum of sales? |
| a) The sale of textbooks and uniforms for the students will be at peak point at the time of opening of schools after summer vacations |
| b) The sale of raincoats, umbrellas, will be at peak level in the rainy season |
| c) The hourly sale of local tickets in a suburban station will be at peak level in morning and evening hours |
| d) All of the above |
| Q10.Under which sampling, it is an approach to determine the probability before the Sample is selected, of each possible Sample that might be drawn from the Population, and selected as a sample? |
| a) Convenience sampling |
| b) Quota sampling |
| c) Judgement Sampling |
| d) Probability sampling |