Cut Wrap Text General 55Merge Center S88 Conditional

Cut \'Wrap Text General 55Merge & Center . | $ . % , S8·8 | Conditional F Tableas Styles Conditional Format as Cell Inses Formatting . Table· Styles . Paste B 1 u . · . A . Format Painter Clipboard Font Alignnent Number E20 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. 10 12 13 A random sample of six cars from a particular model year had the following fuel consumption figures (in miles 14 per gallon). Find the 98% confidence interval for the true mean fuel consumption for cars of this model year. 15 16 17 18 Left Endpoint s 21 18.6 19.9 20.8 19 Right Endpoint 23 24 Daily Problem Type here to search

Solution

The statistical software output for this problem is:

One sample T confidence interval:
: Mean of variable

98% confidence interval results:

Hence,

98% confidence interval will be:

Left endpoint = 18.6514

Right endpoint = 21.0820

Variable	Sample Mean	Std. Err.	DF	L. Limit	U. Limit
Sample Data	19.866667	0.36117094	5	18.651352	21.081982