Question

In: Math

In its latest press release, Pill International announced that they are working on a new drug...

In its latest press release, Pill International announced that they are working on a new drug that would stunt the deterioration of brain cells in Alzheimer's patients. If successful, the drug could prolong the life of patients and allow them to retain their basic mobility.

The R&D team is currently testing the drug, which comes in the form of a digestible tablet, for its ability to be dissolved and absorbed in the bloodstream. Based on their latest experiments, they have learned that there is a relationship between the amount of time that the tablet's powder spends in the tray dryer and the amount of time it takes to get dissolved (Y). As a member of this research team, you have been asked to establish the relationship between the two variables and to predict potential dissolution times based on the time spent in the dryer.

Time spent in dryer (seconds)
36
46
68
35
30
23
51
50
33
34
49
67
63
33
47
69
25
62
21
54
60
24
53
70
63
21
64
52
63
27
49
59
54
59
26
58
42
26
24
22
47
68
35
65
64
43
38
49
35
30
Q
Dissolution time (seconds)
262.27
262.08
335.27
255.15
-16.89
124.25
251.51
323.76
236.98
276.32
373.7
295.13
216.24
59.28
157.25
258.58
176.12
280.2
93.03
389.59
284.12
116.74
294.84
251.09
163.67
192.16
243.92
324.76
290.24
153.62
166.83
323.7
223.66
395.57
58.84
297.46
196.73
158.1
76.84
121.88
266.38
243.53
155.85
311.31
247.06
113.71
254.24
275.35
135.54

126.47

Regress the time spent in the dryer against the dissolution time.

NOTE: Do not change the data values if you have outliers (negative observations) in the data set.

Q1- What is your intercept estimate for this model?

Enter your answer rounded to two decimal places. For example, if your answer is 12.3456, you should enter 12.35 in the box below.

Q2- What is your parameter estimate for this model?

Enter your answer rounded to two decimal places. For example, if your answer is 12.3456, you should enter 12.35 in the box below.

Q3- If you want to set dryer time to 40 seconds, what would you expect the dissolution time to be (in seconds)?

Enter your answer rounded to one decimal place. For example, if your answer is 12.3456, you should enter 12.3 in the box below.

Solutions

Expert Solution

The regression equation is defined as,

The least square estimate of intercept and slope are,

Form the data values, the values are calculated as,

Time spent in dryer (seconds), X Dissolution time (seconds), Y X^2 XY
36 262.27 1296 9441.72
46 262.08 2116 12055.68
68 335.27 4624 22798.36
35 255.15 1225 8930.25
30 -16.89 900 -506.7
23 124.25 529 2857.75
51 251.51 2601 12827.01
50 323.76 2500 16188
33 236.98 1089 7820.34
34 276.32 1156 9394.88
49 373.7 2401 18311.3
67 295.13 4489 19773.71
63 216.24 3969 13623.12
33 59.28 1089 1956.24
47 157.25 2209 7390.75
69 258.58 4761 17842.02
25 176.12 625 4403
62 280.2 3844 17372.4
21 93.03 441 1953.63
54 389.59 2916 21037.86
60 284.12 3600 17047.2
24 116.74 576 2801.76
53 294.84 2809 15626.52
70 251.09 4900 17576.3
63 163.67 3969 10311.21
21 192.16 441 4035.36
64 243.92 4096 15610.88
52 324.76 2704 16887.52
63 290.24 3969 18285.12
27 153.62 729 4147.74
49 166.83 2401 8174.67
59 323.7 3481 19098.3
54 223.66 2916 12077.64
59 395.57 3481 23338.63
26 58.84 676 1529.84
58 297.46 3364 17252.68
42 196.73 1764 8262.66
26 158.1 676 4110.6
24 76.84 576 1844.16
22 121.88 484 2681.36
47 266.38 2209 12519.86
68 243.53 4624 16560.04
35 155.85 1225 5454.75
65 311.31 4225 20235.15
64 247.06 4096 15811.84
43 113.71 1849 4889.53
38 254.24 1444 9661.12
49 275.35 2401 13492.15
35 135.54 1225 4743.9
30 126.47 900 3794.1
Sum=2286 Sum=11074.03 Sum=116590 Sum=553333.9

Q1)

Q2)

Q3)

For X = 40,


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