eTask xb DIRECTIONS: Assume that you a x +2%20Final%20Performance%20Task%20(1).pdfmboard_ULSPost Attendee - Zo. VotingO OVERVIEW OF TOU. h What is another wo.1/1100%+Fit to page1.Gather the height (in inches) of at least 10 male and 10 female classmates.I.Tally the result using Frequency table (ungrouped)Example:Height (in inches)59Frequency260464...Compute the Measures of Central Tendency (Mean, Median, Mode) of the two groups (maand Female)II.Compute the Variance, Standard Deviation and Coefficient of Variation (use data as a sampleof the two groups (male and Female)IV.V.Make a conclusion based from the computed results of IV and VAt 0.05 level of significance, test the hypothesis that your male classmates are taller than youfemale classmates. (apply the steps in testing the hypothesis)VI.See rubric below for guidance.TriteriaSamples(6-10 points)n<20; raw data are not shown in the n 2 20; raw data are not n2 20; raw data are shownpresentation; nature and sources of shown in the presentation; in the presentation; naturenature and sources of data are(0-5 points)(11-15 points)data are not explainedand sources of data are

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Answered: 1. Gather the height (in inches) of at…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The figure shows population density (people per square mile) for all states of a certain country. The states are divided into four geographical regions: A, B, C, and D. Answer the questions below. 100 200 300 400 500 600 700 800 900 10001100 People per Square Mile ㅇ Why is it best to compare medians and interquartile ranges for these data, rather than comparing means and standard deviations? A. Some of these data have outliers and/or are skewed, and the median and interquartile range amplify the effects of outliers and skewness. B. These data are fairly symmetric and do not have outliers, and the median and interquartile range provide more reliable information in these circumstances. C. Some of these data have vastly different centers, and the median and interquartile range provide more reliable information in these circumstances. D. Some of these data have outliers and/or are skewed, and the median and interquartile range are resistant to outliers. List the approximate median number…
2). What is the major problem with using the Range as the measure of variability?
Question 2. Crescent Oil has developed three new blends of gasoline and must decide which blend or blends to produce and distribute. A study of the miles per gallon ratings of the three blends is being conducted to determine if the mean ratings are the same for the three blends. Five automobiles have been tested using each of the three gasoline blends and the miles per gallon ratings; Automobile (Block) 12345 2 4 5 Type of Gasoline (Treatment) Blend X Blend Y Blend Z 31 30 29 33 26 30 29 29 31 25 29.8 30 29 28 Treatment Means a. Compute the analysis of variance for the randomized block design 28.8 29 26 28.4 Block Means 30.333 29.333 28.667 31.000 25.667
The null hypothesis: H , :0 The alternative hypothesis: H :0 Н 1 The type of test statistic: (Choose one) v The value of the test statistic: (Round to at least three decimal places.) The p-value: (Round to at least three decimal places.) Can we reject the claim that the mean annual income of teachers from Utah is greater than or equal to the mean annual income of teachers from Oregon? Yes No
Consider a data set containing the following values: 80, 94, 93, 106, 91, 90, 96, 99The mean of the preceding values is 93.625. The deviations from the mean have been calculated as follows: -13.625, 0.375, -0.625, 12.375, -2.625, -3.625, 2.375, 5.375If this is sample data, what is the sample variance? What is the sample standard deviation? If this is population data, what is the population variance? What is the population standard deviation?Suppose the largest value of 106 in the data was misrecorded as 100. If you were to recalculate the variance and standard deviation with the 100 instead of the 106, your new values for the variance and standard deviation would be...
Which of the following is true about the relationship between the population mean and the mean of the sampling distribution? a. population mean = mean of the sampling distribution b. population mean ≠ mean of the sampling distribution c. population mean < mean of the sampling distribution d. population mean > mean of the sampling distribution
Data on GNP per capita and Birth Rate (births per thousand inhabitants) for a sampleof 14 countries is displayed below, along with summary statistics (correlationcoefficient, sample means and standard deviations for each of the variables): Please help solve sub question e given below e. Calculate Rsquared and explain what it means in statistical terms.
25). Would enjoy the help.
The following set of data is from a sample of n=7. 5 3 8 4 9 3 10 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set.
A researcher wants to determine the mean level of mercury found in 3 species of salt water shellfish: clam, oyster and crab. She randomly samples 100 shellfish of each species. She measures the amount of mercury in each specimen. 1. What is the experimental unit? [Select] 2. What is the response variable? [Select] 3. What is the factor? [Select] 4. What are the factor levels? [Select] > > > >
A teacher has 10 students in her class. She collected the finishing time (in minutes) of the mathematics testfor all students:20 24 22 32 23 25 37 26 40 35(a) Find the 25th percentile and 75th percentile of the data. (b) Find the median of the data. (c) Find the range and interquartile range of the data (d) Comment on the skewness of the data with a reason.
pls do letter B

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