flight attendant wants to know how many children fly on her route every day. She has a dataset with the number of children flying on her route per day on 10 different days. The data are included below. Use a -83, TI-83 Plus, or Tf - 84tt calculate the sample standard deviation and the sample varia

Q: (A2) if the standard error of the mean is 10 for N=12, what is the standard error of the mean for…

A: Given (A2): SE=10 for N=12 (A2): SE= 50, for N=25

Q: The sample of five companies in the aerospace industry was surveyed as to their return on investment…

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A: From the provided information, The data values are as follow: 41, 40, 39, 32, 20, 17, 14, 11, 10.8,…

Q: hen the sample standard deviation

A: Let n=8 we have to find sample standard deviation' sample standard Deviation=∑l=18XI2-n*x27

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A: Note: As per the guidelines, only first three sub-parts have been solved. Given: The sample…

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A: The value of mean is 0.84, which is obtained as follows:

Q: For the United States, the mean monthly Internet bill is $32.79 per household (CNBC,  January 18,…

A: Given  μ=32.79 n=50, x̄=30.63, σ=5.60

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Q: Below is a sample of five students' weights (in Kilograms) who are considered obese at their age. 82…

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A: We have given that  5 6.4 7 8.1 5.8 7.5 9 8.5 7.2 6.9 6.75 9.15 8.1 6.2 8.1 7.17 5.76 7.6 6.2 7.45 I…

Q: Listed below are the top 10 annual salaries​ (in millions of​ dollars) of TV personalities. Find…

A: Given data: 39, 37, 36, 30, 20, 18, 15, 13,12.7, 11.2   The smallest value=11.2 The largest value=39…

Q: The Interquartile Range is __________ The Sample Standard Deviation is ____________ The Sample…

A: The bar graph can be represented by data as  3, 2, 2, 4 In ascending order  2, 2, 3, 4  (even  =4…

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: qualifying score to join the cheer team?

A:

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A: Formula for z score is as below :

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Q: If the variance is 4.1 grams, what is the standard deviation?   Multiple Choice   1.100   2.025…

A: Given that, Variance = 4.1 grams

Q: Given the data, Find the Folowing:  4.) standard deviation, 5.) variance, 6.) mean deviation,

A: Since we answer up to three sub parts of a problem, we'll be answering the first three sub parts.…

Q: The sample mean is 8.25 The sample variance is. (Simplify your answer. Round to two decimals as…

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A: Given For the first question μ=50000σ=3500   For the second question  μ=50σ=6

Q: Recently, a random sample of 25-34 year olds was asked, "How much do you currently have in savings,…

A: Solution  Saving  Frequency (f)  Midpoint(x)  x2 fx fx2 0 - 199 337 99.5 9900.25 33531.5…

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A: Given 126,138,132,138,124,122

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Q: Thirty-two percent of adult internet users have purchased products or services online. For a random…

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Q: For the United States, the mean monthly Internet bill is $32.79 per household (CNBC, January 18,…

A: Given: μ=32.79σ=5.60x¯=30.63n=50 a) Hypothesis: Null hypothesis: H0: μ=32.79Alternative hypothesis:…

Q: the range  of the sample data is   ​$ million. ​(Type an integer or a​ decimal.) b.The variance of…

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Q: Listed below are the top 10 annual salaries​ (in millions of​ dollars) of TV personalities. Find…

A: Given Listed below are the top 10 annual salaries​ (in millions of​ dollars) of TV personalities.…

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Q: You may need to use the appropriate appendix table or technology to answer this question. According…

A: Given information- Sample size, n = 65 Sample mean, x-bar = $30.15 Sample standard deviation, s =…

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.