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An office hourly indoor air temperature (C) (Ta) and relative humidity (%) (RH) are recorded and shown in table (i) Assuming that RH is the
An office hourly indoor air temperature (C) (Ta) and relative humidity (%) (RH) are recorded and shown in table
(i) Assuming that RH is the dependent variable, please give the equation to the regression line and estimate RH for Ta = 18C.
(ii) Describe the relationship between Ta and RH, and estimate the appropriate correlation coefficient.
(iii) Which hour (if any) does not fit the relationship? Briefly explain how an outlier might be identified?
| officeTa | officeRH |
1 | 21 | 42 |
2 | 19.6 | 61 |
3 | 20.4 | 71 |
4 | 21.6 | 28 |
5 | 20.2 | 39 |
6 | 20.9 | 38 |
7 | 20.4 | 54 |
8 | 20.9 | 24 |
9 | 21.1 | 35 |
10 | 20.7 | 45 |
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