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Create one confidence interval
Create one confidence interval. Interpret your confidence interval in the context of your data.
- Clearly state what you are trying to estimate. (What question or claim about the data are you trying to answer?)
- Identify which variable(s) you are using for your confidence interval.
- State your level of confidence.
- State which distribution you are using (Normal distribution, Student t distribution, or Chi-Squared distribution).
- Find and state your confidence interval.
- Interpret your confidence interval in the context of the data. Be sure to use a complete sentence and include proper units as necessary.
- Comment on your conclusion: do the results surprise you, or is it what you expected? Why?
|
Row |
CAR |
SIZE |
WEIGHT |
LENGTH |
BREAKING |
CYLINDER |
DISPLACEME |
CITY |
HIGHWAY |
GHG |
|
1 |
Chev Aveo |
Small |
2560 |
154 |
133 |
4 |
1.6 |
25 |
34 |
6.6 |
|
2 |
Honda Civic |
Small |
2740 |
177 |
136 |
4 |
1.8 |
25 |
36 |
6.3 |
|
3 |
Mitsubishi Land |
Small |
3610 |
177 |
126 |
4 |
2 |
22 |
28 |
7.7 |
|
4 |
VW Jetta |
Small |
3225 |
179 |
137 |
4 |
2 |
29 |
40 |
6.4 |
|
5 |
Hyundai Elantr |
Small |
2895 |
177 |
138 |
4 |
2 |
25 |
33 |
6.6 |
|
6 |
Kia Rio |
Small |
2615 |
167 |
132 |
4 |
1.6 |
27 |
35 |
6.1 |
|
7 |
Subaru Impreza |
Small |
3110 |
180 |
135 |
4 |
2.5 |
20 |
26 |
8.3 |
|
8 |
Ford Fusion |
Midsize |
3320 |
191 |
136 |
4 |
2.3 |
20 |
28 |
8 |
|
9 |
Nissan Altima |
Midsize |
3215 |
190 |
136 |
4 |
2.5 |
23 |
31 |
7.1 |
|
10 |
Nissan Maxima |
Midsize |
3555 |
191 |
128 |
6 |
3.5 |
19 |
26 |
8.3 |
|
11 |
Honda Accord |
Midsize |
3270 |
194 |
140 |
4 |
2.4 |
21 |
30 |
7.7 |
|
12 |
Volvo S60 |
Midsize |
3465 |
180 |
140 |
5 |
2.5 |
19 |
28 |
8 |
|
13 |
VW Passat |
Midsize |
3465 |
188 |
135 |
4 |
2 |
19 |
29 |
8 |
|
14 |
Toyota Camry |
Midsize |
3530 |
189 |
137 |
4 |
2.4 |
21 |
31 |
7.3 |
|
15 |
Toyota Avalon |
Large |
3600 |
197 |
139 |
6 |
3.5 |
19 |
28 |
8 |
|
16 |
Hyundai Azera |
Large |
3835 |
193 |
134 |
6 |
3.3 |
18 |
26 |
8.7 |
|
17 |
Cadillac DTS |
Large |
4085 |
208 |
145 |
8 |
4.6 |
15 |
23 |
10.2 |
|
18 |
Lincoln Town |
Large |
4415 |
215 |
143 |
8 |
4.6 |
16 |
24 |
9.6 |
|
19 |
Dodge Charger |
Large |
4170 |
200 |
131 |
6 |
2.7 |
18 |
26 |
8.7 |
|
20 |
Merc Gr Marq |
Large |
4180 |
212 |
140 |
8 |
4.6 |
16 |
24 |
9.6 |
|
21 |
Buick Lucerne |
Large |
4095 |
203 |
143 |
8 |
4.6 |
17 |
25 |
10.2 |
Expert Solution
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