The names of 70 contestants are written on 70 cards. The cards are placed in a b

Question

The names of 70 contestants are written on 70 cards. The cards are placed in a bag, and three names are picked from the bag. A) stratified B) convenience C) cluster D) random E) systematic Match the description of the sample with the correct plot. Time (in minutes) it takes a sample of employees to drive to work A) B) Key: 7|2 = 72 6 7 8 9|89 0233678 2456778 0115 C) Key: 0| 9 = 0.9 0 1 2 3 4 | 9 4 9 3 6 7 8 0 1 5 6 8 0 D) Provide an appropriate response. A student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework score is 76. Each test is worth 20% of the final grade, the final exam is 25% of the final grade, and the homework grade is 15% of the final grade. What is the student's mean score in the class? A) 90.6 B) 76.6 C) 85.6 D) 80.6

Explanation / Answer

7.) Answer   (D) Random sampling

   Reason since the names are selected at random, any name could be picked up from the bag. There is no order. So this is simple random sampling.

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