ROUND THE ANSWERS TO FOUR DECIMAL POINTS PLEASE. ROUNDS THE LEFT AND RIGHT ENDPO

Question

ROUND THE ANSWERS TO FOUR DECIMAL POINTS PLEASE. ROUNDS THE LEFT AND RIGHT ENDPOINTS TO FOUR DECIMALS

Note: Answer the Question(s) by Using the TI-30XA (or other approved) Calculator. IMPORTANT: Make sure you carry all decimals until you reach your answer, then round to four decimals. A random sample of six cars from a particular model year had the following fuel consumption figures (in miles per gallon). Find the 98% confidence interval for the true mean fuel consumption for cars of this model year. Sample Data 20.8 19.4 19.1 18.7 20.6 19.4 Left Endpoint - Right Endpoint- Click to Grade Your Work

Explanation / Answer

The statistical software output for this problem is:

One sample T confidence interval:
: Mean of variable

98% confidence interval results:

Hence,

Left endpoint = 18.5086

Right endpoint = 20.8247

Variable Sample Mean Std. Err. DF L. Limit U. Limit Sample Data 19.666667 0.34415759 5 18.5086 20.824733

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