Now the organization is trying to write its report and considering the following

Question

Now the organization is trying to write its report and considering the following interpretaions Comment on each. Complete parts (a) through (o) below )95% of all omployees pay between $780 and SOO for lunch is Pis ntenretation oored? O A No, this is incorrect. The confidence interval is about the individual employees in the population B. Ne, this is nomet The onberoe irterval represents he i didual employees in the sample O C. No, this is incorrect The confidence interval is not about the individual emplepes in the population O D. Yes,this is cormect b)00%ofthe sampled ongiopees paid between $780 and $900 forinch is this artepeetason comon OB No, this is incorrect The confdence interval ropresents the individual employees in the samle Therefome, we can estimale how much thay spen O D. Yes, this is correct (c)we're % sure that onpi yees ita sample averaged between S7BO SODO for hnch. is res iterpraton conect? B. No, th·is norrect The coldence interval is an estrnato for all employees the sampled average is much more presse C. No, tis is incorrect. We know that the mean cost for employees in this sample was 5856 (d) SS% of al employees nthe sample O A. No, this is incorrect A confidence interval is not about other sample means OB. No, this is îoorrect The oondence interval is not about O C. No, this is inoorrect The confidence interval is an estmate for the sample of employees, so the average employee in the sample spends an average of $780 and $330 for lunch

Explanation / Answer

Confidence interval shows that we are 95% confident that the true mean amount of money spent for lunch over a period of 6 months lies in the interval ( $780, $930).

(a)

Correct option is c.

(b)

Correct option is c.

(c)

Correct option is c.

(d)

Correct option is B.

(e)

Correct option is D.

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