Correct! Correct Answers What is the relationship between the amount spent per week on food and the size of the family? Do larger families spend more on food? A random sample of 10 families revealed the following figures for family size and the amount spent on food per week. Observation Family Size Amount Spent on Food ($) 3 99 6 104 5 151 6 129 6 142 3 111 4 74 91 119 91 1 2 3 4 5 6 7 8 9 10 4 5 3 Construct a 95% prediction interval for the amount spent on food for a particular family having a size of 4. Provide upper limit explicitly. Note. Round your final answer to 4 decimal places. 156.206 Between 156.2 and 156.21

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[Regression Analysis] How do you solve this question WITHOUT USING ANY CODE? The answer is provided in the picture, but I need help on how to solve the problem by hand. Please include any formulas used and show all calculations. Thank you!

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Correct Answers
What is the relationship between the amount spent per week on food and the size of the family? Do larger
families spend more on food? A random sample of 10 families revealed the following figures for family size and
the amount spent on food per week.
Observation Family Size Amount Spent on Food ($)
3
99
6
104
5
151
6
129
6
142
3
111
4
74
91
119
91
1
2
3
4
5
6
7
8
9
10
4
5
3
Construct a 95% prediction interval for the amount spent on food for a particular family having a size of 4.
Provide upper limit explicitly.
Note. Round your final answer to 4 decimal places.
156.206
Between 156.2 and 156.21
Transcribed Image Text:Correct! Correct Answers What is the relationship between the amount spent per week on food and the size of the family? Do larger families spend more on food? A random sample of 10 families revealed the following figures for family size and the amount spent on food per week. Observation Family Size Amount Spent on Food ($) 3 99 6 104 5 151 6 129 6 142 3 111 4 74 91 119 91 1 2 3 4 5 6 7 8 9 10 4 5 3 Construct a 95% prediction interval for the amount spent on food for a particular family having a size of 4. Provide upper limit explicitly. Note. Round your final answer to 4 decimal places. 156.206 Between 156.2 and 156.21
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