1- In a Stem- and-leaf display, the "6" will be the leaf for the data value 96.
True
2- If two events are not mutually exclusive, then P ( A or B ) = P ( A) P ( B ).
False
3- The second quartile value is equal to the median.
True
4- In a class of 5 students, students secured following marks in their first test: 8, 12, 6, 10, 9, then the Median will be 10.
False
5- A single coin is tossed 4 times. The probability of getting at least one head is 15/16.
True
6- There are four levels of measurement Nominal, Ordinal, Discrete and Ratio.
False
7- Which of the following is not a measure of center.
Range
8- The _____ random variables yields categorical responses so that the responses fit into one category or another.
Qualitative
9- The prices of meal options are given at Burger's station: $7, $ 6, $5, $ 12, $ 14, $ 10, $11, $12, $15, $ 13, $ 12, $ 8, $ 7, $ 6. How many meals could belong with in the interval $ 10.95 - $ 12.99.
4
10- For the given quantitative data, the relative frequency for a class is computed as:
Class frequency divided by the total frequency
11- Which form of sampling includes each jth element in your sample, while determining the sample interval (representing by j ), randomly selecting a number between 1 and j?
Systematic Sampling.
12- Which of these numbers can be a probability?
1.001
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Quiz 1
العرض العادي
