■. Lydia is trying to answer the question: "How much do large eggs weigh?" She collects 15 large eggs and measures the following weights in grams: 55,51,58,59, 59,59,60,6 9 10 11 12 13 14 15 562 58, 62, 57, 60, 62, 65, 59, 61, 55, 60, 63, 59, 81, 62, 59 62,62,63,65 81 (a) Explain why Lydia's question requires statistics to answer. [2 points] Lydia's question requires statistics to answer because not all large eggs weigh the same so we nued an averag of how much they weich (b) Find the mean and standard deviation for this sample. Round both measures to the nearest tenth. [2 points] The mean is 61.5 and the stand ard deviation for the sample is 5 (c) How many of the 15 data values fall within one standard deviation of the mean? Show how your answer. [3 points] 61.5-5.755.8 61.5+5.1=67.2 you four 1
■. Lydia is trying to answer the question: "How much do large eggs weigh?" She collects 15 large eggs and measures the following weights in grams: 55,51,58,59, 59,59,60,6 9 10 11 12 13 14 15 562 58, 62, 57, 60, 62, 65, 59, 61, 55, 60, 63, 59, 81, 62, 59 62,62,63,65 81 (a) Explain why Lydia's question requires statistics to answer. [2 points] Lydia's question requires statistics to answer because not all large eggs weigh the same so we nued an averag of how much they weich (b) Find the mean and standard deviation for this sample. Round both measures to the nearest tenth. [2 points] The mean is 61.5 and the stand ard deviation for the sample is 5 (c) How many of the 15 data values fall within one standard deviation of the mean? Show how your answer. [3 points] 61.5-5.755.8 61.5+5.1=67.2 you four 1
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter25: Achievement Review—section Two
Section: Chapter Questions
Problem 25AR: Engine pistons and cylinder heads are made of an aluminum casting alloy that contains 4% silicon,...
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Question
I believe the standard deviation is 6.3. How do I answer c?
![■. Lydia is trying to answer the question:
"How much do large eggs weigh?"
She collects 15 large eggs and measures the following weights in grams: 55,51,58,59, 59,59,60,6
9 10 11 12 13 14 15
562
58, 62, 57, 60, 62, 65, 59, 61, 55, 60, 63, 59, 81, 62, 59 62,62,63,65 81
(a) Explain why Lydia's question requires statistics to answer. [2 points]
Lydia's question requires statistics to answer because
not all large eggs weigh the same so we nued an averag
of how much they weich
(b) Find the mean and standard deviation for this sample. Round both measures to the nearest tenth.
[2 points]
The mean is 61.5 and the stand ard deviation
for the sample is 5
(c) How many of the 15 data values fall within one standard deviation of the mean? Show how
your answer. [3 points]
61.5-5.755.8
61.5+5.1=67.2
you
four
1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F96508f15-db56-4361-9765-04f91ce1b338%2F6ff70af1-ae4f-474f-9e19-bd436adbf56e%2Fgslbezm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:■. Lydia is trying to answer the question:
"How much do large eggs weigh?"
She collects 15 large eggs and measures the following weights in grams: 55,51,58,59, 59,59,60,6
9 10 11 12 13 14 15
562
58, 62, 57, 60, 62, 65, 59, 61, 55, 60, 63, 59, 81, 62, 59 62,62,63,65 81
(a) Explain why Lydia's question requires statistics to answer. [2 points]
Lydia's question requires statistics to answer because
not all large eggs weigh the same so we nued an averag
of how much they weich
(b) Find the mean and standard deviation for this sample. Round both measures to the nearest tenth.
[2 points]
The mean is 61.5 and the stand ard deviation
for the sample is 5
(c) How many of the 15 data values fall within one standard deviation of the mean? Show how
your answer. [3 points]
61.5-5.755.8
61.5+5.1=67.2
you
four
1
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