blem: Choose your own random sample of 10 computers from the 80 and find the sam

Question

blem: Choose your own random sample of 10 computers from the 80 and find the sample mean. Repeat this a total of 5 times Sample #1 (a) First, drop a toothpick on the table of random numbers and write out the next 8 blocks of 5 digits starting from that point. (b) Regroup these numbers into groups of 2 digits. Go through the list and circle the first 10 which are not larger than 80, skipping any numbers that you have already circled. (c) Write down the times corresponding to the 10 computers you have selected. (d) Find the mean of these 10 times: sample mean-

Explanation / Answer

I guess the problem thta you have posted has insufficient data to compute the sample means. But I will try to answer as much as possible. I will try to illustrate how to get the sample and all you have to do is to put the times corresponding to each of the computer in the sample and calculate their mean, which might not be of any problem to you.

I have used the random number table given in the following link:

https://www.nist.gov/sites/default/files/documents/2017/04/28/AppenB-HB133-05-Z.pdf

Sample #1:

(Page 1 of the table 12 th row 2nd block 1st digit)

57327 38224 29301 31381 38109 34976 65692 98566

Re-groups of 2 digits:

57 32 73 82 24 29 30 13 13 81 38 10 93 49 76 65 69 29 85 66

Sampled computer numbers:

57 32 73 24 29 30 13 38 10 49

Sample #2:

(Page 1 of the table 20 th row 3rd block 4th digit)

14 31966 87912 87154 12944 49862 96566 48825 961

Re-groups of 2 digits:

14 31 96 68 79 12 87 15 41 29 44 49 86 29 65 66 48 82 59 61

Sampled computer numbers:

14 31 68 79 12 15 41 29 44 49

Sample #3:

(Page 2 of the table 31st row 2nd block 1st digit)

43759 95632 39555 74391 07579 69491 02647 17050

Re-groups of 2 digits:

43 75  99 56 32 39 55 57  43 91 07  57 96 94 91 02 64  71 70 50

Sampled computer numbers:

43 75 56 32 39 55 57 07 02 64

Sample #4:

(Page 3 of the table 5th row 1st block 1st digit)

68141 25340 92551 11326 60939 79355 41544 88926

Re-groups of 2 digits:

68 14 12 53 40 92 55 11 13 26 60 93 97 93 55 41 54 48 89 26

Sampled computer numbers:

68 14 12 53 40 55 11 13 26 60

Sample #5:

(Page 3 of the table 16th row 3rd block 1st digit)

90269 89266 46413 61615 66447 49751 15836 97343

Re-groups of 2 digits:

90 26 98 92 66 46 41 36 16 15 66 44 74 97 51 15 83 69 73 43

Sampled Computer Numbers:

26 66 46 41 36 16 15 44 74 51

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.