Random collections of nine different solutions of a calcium compound were given to two laboratories, A and B. Each laboratory measured the calcium content (in mmol per liter) and reported the results. The data are paired by calcium compound. Compound Lab A (x) Lab B (y) 1 2 3 4 8. 9.36 14.80 8.79 11.33 10.56 15.61 13.70 12.03 11.56 9.14 14.74 8.67 11.51 10.63 15.59 13.74 12.22 11.56 (a) Rank-order the data using 1 for the lowest calcium reading. Make a table of ranks to be used in a Spearman rank correlation test. Compound Lab A (x) Lab B (y) d = x – y d2 1 2 4 7 9 %3D Compute the sample test statistic. (Round your answer to three decimal places.)

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Random collections of nine different solutions of a calcium compound were given to two laboratories, A and B.
Each laboratory measured the calcium content (in mmol per liter) and reported the results. The data are paired by calcium compound.
Compound
Lab A (x)
Lab B (y)
1
2
3
4
7
9.
9.36
14.80
8.79
11.33
10.56
15.61
13.70
12.03
11.56
9.14
14.74
8.67
11.51
10.63
15.59
13.74
12.22
11.56
(a) Rank-order the data using 1 for the lowest calcium reading. Make a table of ranks to be used in a Spearman rank correlation test.
Compound
Lab A (x)
Lab B (y)
d = x – y
d2
1
3
4
7
8
Ed?
Compute the sample test statistic. (Round your answer to three decimal places.)
II
Transcribed Image Text:Random collections of nine different solutions of a calcium compound were given to two laboratories, A and B. Each laboratory measured the calcium content (in mmol per liter) and reported the results. The data are paired by calcium compound. Compound Lab A (x) Lab B (y) 1 2 3 4 7 9. 9.36 14.80 8.79 11.33 10.56 15.61 13.70 12.03 11.56 9.14 14.74 8.67 11.51 10.63 15.59 13.74 12.22 11.56 (a) Rank-order the data using 1 for the lowest calcium reading. Make a table of ranks to be used in a Spearman rank correlation test. Compound Lab A (x) Lab B (y) d = x – y d2 1 3 4 7 8 Ed? Compute the sample test statistic. (Round your answer to three decimal places.) II
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Here, the lowest number is given as rank 1, the second lowest number is given as rank 2 and so on.

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