1. Interviewing all members of a given population is called
2. Twenty-one students took a management course examination. The sample variance is found to be 80. The teacher claims that based on his past experience the true variance has been at least 100. Does the sample result show that the population variance significantly less than 100?
3. Secondary data cannot help in
4. In which one of the following probability distributions, the mean value of the distribution is the sole parameter of the distribution?
5. If rxy = 0.38, rxz = 0.62 and ryz = 0.91. Find the partial correlation between x and y with z held fixed
6. Match the following
List-I (Types of Network Topology)
List-II (Connection)
a. Bus
1. Connected through one cable
b. Star
2. Connected through central system
c. Ring
3. Connected with cable layout
d. LAN
4. Within department
| List-I (Types of Network Topology) | List-II (Connection) |
| a. Bus | 1. Connected through one cable |
| b. Star | 2. Connected through central system |
| c. Ring | 3. Connected with cable layout |
| d. LAN | 4. Within department |
7. All causes non-sampling errors except
8. If the variables are independent, r is zero and the lines of regression are at
9. The . . . . . . . . of r (correlation) is an amount which if added to and subtracted from the average correlation co-efficient produces amounts within which the chances are even that a co-efficient of correlation from a series error selected at random will fall
10. Given
This is a . . . . . . . . problem.
This is a . . . . . . . . problem.
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