Use to answer the following 6 exam questions: Electric vehicles are becoming an increasingly
popular personal vehicle option in the US. Misha is curious about potentially buying an electric
vehicle, but as a commuter, has concern regarding the range of the vehicle (range = how far in
miles the car can travel on a single battery charge). To investigate the typical range of electric
vehicles, they take a random sample of 25 electric vehicles currently on the market and find and
average range of 228.87 miles. Suppose it is known from a previous study that the ranges of
electric vehicle vary on average by 66.98 miles. We are interested in estimating the average range
of all electric vehicles (currently on the market) at the 90% confidence level.
Q1.1
20 Points
Range of Electric Vehicles on Binge Chege
Using the information provided above, use 1-2 sentences to describe the distribution, including
shape, center, spread, context, and outliers (if relevant)
