Alexis was planning a dream vacation to Spain.
Alexis/She was especially looking forward to trying the local cuisine, including the famous Paella and Churros.
Alexis will have to practice the language
frequently to make it easier to speak with people.
Alexis/She has a long list of sights to see, including the El Prado museum and the beautiful park.
Hope this helps :)
Answer:
1) 402.7 grams. This estimate is called the sample mean.
2) (399.11, 406.29)
3) The 99 percent confidence limits is between 399.11 grams and 406.29 grams.
I am 99% sure that the value lies between 399.11 grams and 406.29 grams.
Explanation:
sample size (n) = 40, the mean weight (x)= 402.7 grams and the standard deviation (σ)=8.8 grams
1) The point estimated mean weight of the population is 402.7 grams. This estimate is called the sample mean.
2) c = 99% = 0.99
α = 1 - 0.99 = 0.01
.
The z score of 0.005 corresponds with the z score of 0.495 (0.5 - 0.005).
.
The margin of error (e) = 
The confidence interval = x ± e = 402.7 ± 3.59 = (399.11, 406.29)
3) The 99 percent confidence limits is between 399.11 grams and 406.29 grams.
I am 99% sure that the value lies between 399.11 grams and 406.29 grams.
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Quick Analysis tool - A tool that displays in the lower right corner of a selected range with which you can analyze your data by using Excel tools, such as, charts, color-coding, and formulas.
Recommended Charts- An excel feature that displays a set of charts according to Excel's calculations, will best fit your data based on the range of the data that you select.
Chart Style - The overall look of a chart in terms of it's graphic effects colors, and backgrounds; for example, you can have flat or beveled columns, colors that are solid or transparent, and back grounds that are dark or light.
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Hope this helps.
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