In: Statistics and Probability
1. drawn bell shaped curved showing rejected/ non rejection with an alpha value of 0.05
2. determine regression of the line equation y=bx+a
3. Find a and b
4. let 20 be x and what it indicated
5. Then set it up for 95% prediction interval
x |
y |
xy |
x^2 |
y^2 |
19 |
7 |
133 |
361 |
49 |
23 |
10 |
230 |
529 |
100 |
25 |
3 |
75 |
625 |
9 |
15 |
12 |
180 |
225 |
144 |
67 |
4 |
268 |
4489 |
16 |
54 |
2 |
108 |
2916 |
4 |
68 |
2 |
136 |
4624 |
4 |
21 |
4 |
84 |
441 |
16 |
14 |
8 |
112 |
196 |
64 |
17 |
7 |
119 |
289 |
49 |
48 |
3 |
144 |
2304 |
9 |
18 |
6 |
108 |
324 |
36 |
=389 |
=68 |
=1697 |
=17323 |
=500 |
We have to find
1. drawn bell shaped curved showing rejected/ non rejection with an alpha value of 0.05
2. determine regression of the line equation y=bx+a
3. Find a and b
4. let 20 be x and what it indicated
Answers:
1)
We plot the bell shape curve of response variable y by manually as well as using excel,
for the plot the value of y and corresponding probablity distribution is
y | 2 | 2 | 3 | 3 | 4 | 4 | 6 | 7 | 7 | 8 | 10 | 12 |
Distribution | 0.064852 | 0.064852 | 0.087868 | 0.087868 | 0.108162 | 0.108162 | 0.122906 | 0.113455 | 0.113455 | 0.095151 | 0.050188 | 0.018036 |
Plot: