Hi! I\'m working on the following problem and would like some help I have decide
ID: 3305458 • Letter: H
Question
Hi! I'm working on the following problem and would like some help
I have decided to analyze the roadway fuel mileage for the 2017 Ford Fusion. The factory expresses the highway miles for this vehicle is 34mpg. Significance level 0.05
Sample size 21
1
30
8
34
15
31
2
29
9
28
16
28
3
29
10
29
17
30
4
32
11
35
18
31
5
36
12
30
19
31
6
36
13
30
20
30
7
28
14
27
21
29
Mean=31
Standard Deviation =2.6
Null Hypothesis = 34
Alternative Hypothesis <34
T= -5.29 (one tailed)
Degree of freedom = 30
T= 2.042 (two tailed)
In view of the above data there is insufficient confirmation to help the option theory.
The significance of this data differs significantly relying on the individual inspecting the data. On the off chance that an organization is asking about purchase of fleet vehicles for business venture to every part of the data can be utilized for correlation of different vehicles and additionally spending data if the vehicle is picked. An individual may need the data while deciding a private purchase.
There are factors that could influence the results, for example, fuel, speed, and weight of the vehicle. Those things are not considered but rather would permit a more accurate outcome.
Reference
Ford Fusion MPG (n.d) Retrieved from: http://www.fuelly.com/car/FordFusion/2017
this is a good example of where the t test could be used. You did not discuss whether your research question can be answered using the t test. Be sure to include given your sample size of 15, how do you know that you can use the t test to answer your question? The answer is on the following video on my website.
Hypothesis Testing with the t Test
I would like to see your complete results from StatDisk. I recommend using the p-value to determine your conclusion. I would also like you to write a conclusion statement.
1
30
8
34
15
31
2
29
9
28
16
28
3
29
10
29
17
30
4
32
11
35
18
31
5
36
12
30
19
31
6
36
13
30
20
30
7
28
14
27
21
29
Explanation / Answer
df= 30
t-critical = -1.645 (approx)
t-statistic is -5.29 (left -tailed test) as Ha: mu < 34
since |TS| > |t-critical|
we reject the null hypothesis
p-value method
p-value = P(T < -5.29)
= 0.0000
since p-value is less than significance level , we reject the null hypothesis
we conclude that there is significant evidence that there is significant evidence that the highway miles for this vehicle is less than 34mpg.
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