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Len [333]
3 years ago
5

Plz help on matching i don't have the t-84 calculator so i cant do it

Mathematics
1 answer:
amid [387]3 years ago
8 0
1) Mean: 14.567
2) Sample size: 30
3) Standard deviation: 1.647
4) Median: 14.5
5) margin of error: 0.601
6) upper confidence level: 15.168 
7) lower confidence level: 13.966
8) Maximum value: 18
9) first quartile: 13
10) third quartile : 16


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Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

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Formula : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

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