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Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n = 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal probability plot.

Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n = 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal probability plot.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n = 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal probability plot.

(c) Carry out a formal test of the hypotheses suggested in part (b). Use a = 0.05. State the appropriate null and alternative hypotheses. Ho: H = 241 H: u + 241 a Но: и %3D 241 H2: u > 241 a Ho: H = 241 H2: u < 241 О но: и > 241 Н: и < 241 a' Но: и < 241 H2: u > 241 a Find the test statistic and P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.) t = 2.201 P-value = 0.05
Transcribed Image Text:(c) Carry out a formal test of the hypotheses suggested in part (b). Use a = 0.05. State the appropriate null and alternative hypotheses. Ho: H = 241 H: u + 241 a Но: и %3D 241 H2: u > 241 a Ho: H = 241 H2: u < 241 О но: и > 241 Н: и < 241 a' Но: и < 241 H2: u > 241 a Find the test statistic and P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.) t = 2.201 P-value = 0.05
Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n probability plot. 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal 255 244 239 242 265 245 259 248 225 226 251 233 Calories 220 230 240 250 260 270 265 255 245 235 225 -1.5 -0.5 0.5 1.5 Normal score n USE SALT Calories
Transcribed Image Text:Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random sample of n probability plot. 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Below are the resulting observations, along with a boxplot and normal 255 244 239 242 265 245 259 248 225 226 251 233 Calories 220 230 240 250 260 270 265 255 245 235 225 -1.5 -0.5 0.5 1.5 Normal score n USE SALT Calories
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