A person is interested in studying the amount of time (in minutes ) people spend on social media in a day. The following data is collected from a sample of 12 people : 45, 60,25,55,75,90,100,120,105,80, 0 and 220. Does the data contain outlier(s)? Explain your reasoning. ( use empirical rule and use the quartile method to check ).

Q: Where are most of the data gathered in a negatively skewed distribution? Which value is larger, the…

A:

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A: According to the provided information, The linear regression equation is:

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A: Given n1=312 X1=63 n2=300 X2=12

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Q: Could two samples have the same range but different means? Explain.

A: Yes, Two samples have the same range but different means.

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A: Solution:Mean ˉx=∑x/n  =(8+19+15+7+8+12+19+16+20+13+10+11)/12  =158/12  =13.1667 Median…

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A: Formula : Test statistic

Q: Would it be unusual for the sample mean to be less than 2 ?

A: Would it be unusual for the sample mean to be less than 2 ?

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Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given, n=119, x=31, α=0.05 Then, p^=31119=0.260504

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A: Solution-:A school counselor randomly selects a sample of 30 students to investigate the impact of a…

Q: Twelve professional gamers were asked their age (in years) when they first began playing their game…

A: Formula for sample mean is as follows,   x¯ = Sum of all observations Total number of observations

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Q: If you increase the sample size to 50 from 30, will the standard error of the mean be smaller or…

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Q: 12. Critical Thinking Consider the following types of data that were obtained from a random sample…

A: The three types of data are given.

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A: From the above given data the following solution is provided below

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A: Introduction: When the mean of one group is to be compared to a fixed value, or the means of two…