Answer:
Yes, the results show the child booster seat meets the specified requirement
Step-by-step explanation:
We will conduct a one sample hypothesis test. Our sample size of 6, so we will use t-distribution to find our critical values.
This is a left tailed test, with degrees of freedom being 5.
First we need the sample mean and standard deviation. See first attached photo for these calculations...
See attached photo 2 for the hypothesis test
