‘MacaronI and Cheese, please! I” by Nedda Misberghl and Rachelle Hall As a poor starving student I don’t have much money to spend for even the bare necessities. So my favoite and main staple food is macaroni and cheese. ks high in taste and low In cost and nutritional value. One day, as I sat down to deterniine the meaning of life. I got a senous craving for this, oh, so important, food of my life. So I went down the sn-eel to Greatwa to get a box of macaroni and cheese, but it was SO expensive! $2.02 !!! Can you believe It? It made me stop and think. The world Is changing fast. I had thought that the mean cost of a box (the normal size, not some super-gigantIc-fam1ly-valuepack) was at most Si, but now I wasn’t so sure. However, I was determined o find out. I went to 53 of the closest gxocery stores and surveyed the prices of macaroni and cheese. Hete axe the data I wrote In my noteboolc Price per box of Mac and Cheese: • 5 stoies @ $2.02 • l5stores@S0.25 • 3stores@S1.29 • 6 stoies @ $0.35 • 4 stoies @ $2.27 • 7 soies@Sl.SO • Sstores@Sl.89 • 8 stotes @ 0.75. I could see that the cost varied but I had to sit down to figure out whether or not I was right. If it does turn out that this mouth-watering dish Is at most Si, then I’ll throw a big cheesy panv in our next statistics lab, with enough macaroni and cheese for just me. (After all, as a poor starving student I can’t be expected to feed our class of animals!)
‘MacaronI and Cheese, please! I” by Nedda Misberghl and Rachelle Hall As a poor starving student I don’t have much money to spend for even the bare necessities. So my favoite and main staple food is macaroni and cheese. ks high in taste and low In cost and nutritional value. One day, as I sat down to deterniine the meaning of life. I got a senous craving for this, oh, so important, food of my life. So I went down the sn-eel to Greatwa to get a box of macaroni and cheese, but it was SO expensive! $2.02 !!! Can you believe It? It made me stop and think. The world Is changing fast. I had thought that the mean cost of a box (the normal size, not some super-gigantIc-fam1ly-valuepack) was at most Si, but now I wasn’t so sure. However, I was determined o find out. I went to 53 of the closest gxocery stores and surveyed the prices of macaroni and cheese. Hete axe the data I wrote In my noteboolc Price per box of Mac and Cheese: • 5 stoies @ $2.02 • l5stores@S0.25 • 3stores@S1.29 • 6 stoies @ $0.35 • 4 stoies @ $2.27 • 7 soies@Sl.SO • Sstores@Sl.89 • 8 stotes @ 0.75. I could see that the cost varied but I had to sit down to figure out whether or not I was right. If it does turn out that this mouth-watering dish Is at most Si, then I’ll throw a big cheesy panv in our next statistics lab, with enough macaroni and cheese for just me. (After all, as a poor starving student I can’t be expected to feed our class of animals!)
‘MacaronI and Cheese, please! I” by Nedda Misberghl and Rachelle Hall
As a poor starving student I don’t have much money to spend for even the bare necessities. So my favoite and main staple food is macaroni and cheese. ks high in taste and low In cost and nutritional value.
One day, as I sat down to deterniine the meaning of life. I got a senous craving for this, oh, so important, food of my life. So I went down the sn-eel to Greatwa to get a box of macaroni and cheese, but it was SO expensive! $2.02 !!! Can you believe It? It made me stop and think. The world Is changing fast. I had thought that the mean cost of a box (the normal size, not some super-gigantIc-fam1ly-valuepack) was at most Si, but now I wasn’t so sure. However, I was determined o find out. I went to 53 of the closest gxocery stores and surveyed the prices of macaroni and cheese. Hete axe the data I wrote In my noteboolc
Price per box of Mac and Cheese:
• 5 stoies @ $2.02
• l5stores@S0.25
• 3stores@S1.29
• 6 stoies @ $0.35
• 4 stoies @ $2.27
• 7 soies@Sl.SO
• Sstores@Sl.89
• 8 stotes @ 0.75.
I could see that the cost varied but I had to sit down to figure out whether or not I was right. If it does turn out that this mouth-watering dish Is at most Si, then I’ll throw a big cheesy panv in our next statistics lab, with enough macaroni and cheese for just me. (After all, as a poor starving student I can’t be expected to feed our class of animals!)
Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...
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