Purchase Solution

Mean, median, mode, regression line, standard error of the estimate

Not what you're looking for?

Ask Custom Question

1. In a study of age and systolic blood pressure of five randomly selected subjects, a researcher reported the following data. (25 points)

Subject # Age, x Pressure, y
10 6 5
12 8 9
9 3 12
15 0 8
13 2 4

a. Calculate the means, median, modes, variances, and standard deviations.
b. Compute the value of the correlation coefficient for the data.
c. Compute the value of the coefficient of determination.
d. Compute the regression line.
e. Compute the standard error of the estimate.

Purchase this Solution
Solution Summary

1. In a study of age and systolic blood pressure of five randomly selected subjects, a researcher reported the following data. (25 points)

Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

View More Free Quizzes
Related BrainMass Solutions

  • Variation in regression line and coefficient of determination

    Solution to (b): Standard Error of estimate = Interpretation : Standard error of estimate is a measure of variation around the line of regression.

  • Application of Regression Analysis

    Error of Estimate Find the standard error of estimate Se and interpret the results.

  • Short answer questions in Statistics

    221010 Mean, mode, frequency distribution, normal distribution, Excel, scatter diagram, simple regression analysis, multiple regression analysis, regression analysis, linear programming 1 What is a mean? A median? A mode?

  • Statistics: Analyzing Statistics

    Range 180900 Range 5028 Minimum 17100 Minimum 164.5 Maximum 198000 Maximum 5192.5 Sum 4199850 Sum 56531 Count 48 Count 48 Male (%) Median Income Mean 41.26667 Mean 48024.06 Standard Error 3.759262 Standard Error 1548.718 Median

  • Biostatistics Problems

    After organizing the data for salt taste indices, we could run "descriptive statistics" under "data analysis" in excel and obtain the following output: Column1 Mean -2.7623 Standard Error 0.737648 Median -2.5 Mode 0 Standard Deviation 7.376478

  • Statistical Analysis of Median Age on Vehicles

    Regression Line: Find the graph and regression line. 30. Error of Estimate: Find the standard error of estimate and interpret the results. Please refer to the attachment for the solutions.

  • Statistics - Coefficient of Determination

    Earnings of Men and women. The table shows median weekly earnings (in U.S. dollars) of full-time male and female workers for five years. The equation of the regression line is ŷ = 1.369x - 402.687.

  • Statistics Data Set

    Standard error of estimate, = 0.315717613 Standard error of estimate gives the standard deviation of errors of prediction about the regression line and is used as a measure of the accuracy of prediction.

  • How is correlation analysis used in a business decision?

    (2) What is the standard error of estimate? Describe with an example. Standard error of estimate gives a value that is indicative of the amount of dispersion, or compactness of the data points about the mean value.

View More Related Solutions