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Name: The main waiting time at the drive-through and the fast food restauran
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Description: The main waiting time at the drive-through and the fast food restaurant from the time in order is placed to the time the order is received is 86.8 seconds a manager devices a new drive-through system that he believes will decrease weight time as a te

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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The main waiting time at the drive-through and the fast food restaurant from the time in order is placed to the time the order is received is 86.8 seconds a manager devices a new drive-through system that he believes will decrease weight time as a test initiate the new system that his restaurant image is the wait time for 10 randomly selected what is the wait times are provided in the table below 106.6,68.4,59.8,75.1,67.6,79.6, 96.1 ,84.2 ,72.0 ,80.6 assume the data is normally distributed is the new system effective based on the collected data perform an appropriate hypothesis test set up the Null and alternative hypothesis find the test statistic find the P

-value.Use a 0.05 level of significance what can be concluded from this hypothesis test when you compare the P value with a significance level

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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