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Hypothesis Testing: Difference Between Two Means

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Please help with the following problem.

For the paired data:

Perform a hypothesis test for the difference of two means.
Remember to show all steps and to explain, give an interpretation of the results.

This is the hypothesis I am using;

The claim that cars with mpg>29 have a lower mean weight than cars with mpg<=29.
The claim that cars with mpg>29 have a lower mean length than cars with mpg<=29.

Please refer to the data in the attached file.

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Hypothesis test
Perform a hypothesis test for the difference of two means.
Remember to show all steps and to explain and give an interpretation of the results.

This is the hypothesis I am using;
The claim that cars with mpg>29 have a lower mean weight than cars with mpg<=29

The claim that cars with mpg>29 have a lower mean length than cars with mpg<=29.
Answer
H0: There is no significant difference in ...

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