At Burger Joint, consistency in product end service is the now motto Accordingly

Question

At Burger Joint, consistency in product end service is the now motto Accordingly, management has invested in an automated French fry dispenser to replace the manual dispensing method the goal is to standardize tie number of fries provided. The accompanying table shows the number of fries dispensed in a large toe container based on samples of 10 orders before and after the process change Assume these samples were drawn randomly and independently from normally distributed populations Use Table 4. Select the hypotheses to test whether the variance of the new automated dispensing method is tower than the previous manual method use Excel s F.TEST function to calculate the p-value What's your conclusion at the 5% significance lever? Would your conclusion change at the 1 % significance level? Yes No

Explanation / Answer

a ) option 3. is right.
b-1) p value =

Excel help :

to calculate P value :

steps :
step 1: enter the two sets of data in two columns.

step 2: On the Data tab, click Data Analysis(install the analysis tool pack ad-in if not available)
step 3: Select F-Test Two-Sample for Variances and click OK.
step 4. Click in the Variable 1 Range box and select the data for variable 1.

step 5. Click in the Variable 2 Range box and selectthe data for variable 2.

click ok.
get the p value from the sumury output.

0.019932
b-2) p value is less than 0.05
so, we reject the null hypothesis.
c) But the p value is great than 0.01. so we don reject the null hypothesis. so answer is 'yes'

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.