The prices (in dollars) for a particular model of digital camera with 6 megapixels and an optical 3X zoom lens are shown below for 8 online retailers. Round sample statistics and final answers to at least one decimal place.
197 195 181 250 217 194 227 231
Estimate the true mean price for this particular model with 80% confidence. Assume the variable is normally distributed.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here