This is the answer not sure if you wanted it graph or not
Solve Step by Step:
1) Write the Equation: 31/2 = how many pine cones Jenna and Ellen found.
2) Solve 31/2= 15.5
So each girl found 15 and a half pine cones. Or one girl found 15 and the other found 16. If you want to have each girl find an even amount.
X = -3 because i just made a lucky guess
Answer:
The responses to these question can be defined as follows:
Step-by-step explanation:

critical values
critical values
Testing the statistic values:


Test statistic ta
The critical values
It is in the region of dismissal. We dismiss the 10% significant null hypothesis.
P - value is greater than the level of significance a= 0.05
Null hypothesis we don't reject. At a 95% level, the claim is justified.

P - value below the meaning level a = 0.10, we reject the hypothesis null. At a level of 90% the claim is not justified.