Please help me. i will give brainliest to the right answer. thank you so much

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

How many significant figures are there in the number 10.76?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.