Confidence interval for the mean price, Basic Statistics

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Confidence interval for the mean price

Jude is interested in buying a digital camera. He visited 9 stores at random and recorded the price of the particular phone he wants. The sample of prices had a mean of 350.22 and a standard deviation of 26.17.

(a) What t-score should be used for a 95% confidence interval for the mean, ?, of the distribution?

t* =

(b) Calculate a 95% confidence interval for the mean price of this model of digital phone:

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Basic Statistics: Confidence interval for the mean price

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Basic Statistics: Confidence interval for the mean price

Reference No:- TGS0723666

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Recent Questions Asked Basic Statistics

Q : Find out the force of the wind on the boat

Q : Critical value of the t distribution for a sample

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Basic Statistics: Confidence interval for the mean price

Reference No:- TGS0723666

Recent Questions Asked Basic Statistics

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Q : Determine the year-end balance in retained earnings

Q : What is the resistance of the armature coil

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Q : Determine the wavelength of the light in the water

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