Find two lines of regressions from the following Data: Age of husband : 25 22 28...

Find two lines of regressions from the following Data: Age of husband : 25 22 28 26 35 20 22 40 20 18 & Age of wife: 18 15 20 17 22 14 16 21 15 14 Estimate the following. the coefficient of correlation

Expert Solution

orchestra answered 1 year ago

Consider the following sample data: x 21 22 25 28 24 y 15 22 26 28...

Consider the following sample data: x 21 22 25 28 24 y 15 22 26 28 29 a. Calculate the covariance between the variables. (Negative value should be indicated by a minus sign. Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) b. Calculate the correlation coefficient. (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.)

Run two regressions using Excel from the data below. Find the following information: 1. estimated regression...

Run two regressions using Excel from the data below. Find the following information: 1. estimated regression equations for both regressions 2. both coefficients of determination. 3. significance of each independent variable 4.Report the significance of both models. 5.Predict y for a fictitious set of x values for both Years Weekend Daily Tour Income Daily Gross Revenue Number of Tourists 1 Friday 3378 4838.95 432 1 Saturday 1198 3487.78 139 1 Sunday 3630 4371.3 467 2 Friday 4550 6486.48 546 2...

Consider a sample with data values of 26, 25, 22, 17, 30, 36, 28, and 25....

Consider a sample with data values of 26, 25, 22, 17, 30, 36, 28, and 25. Compute the 20th, 25th, 65th, and 75th percentiles (to 1 decimal, if decimals are necessary). 20th percentile 25th percentile 65th percentile 75th percentile

1- 25 28 24 21 28 26 23 22 29 21 29 24 22 25 26...

1- 25 28 24 21 28 26 23 22 29 21 29 24 22 25 26 18 27 26 29 23 21 26 27 21 25 27 24 29 22 25 24 24 21 29 22 25 21 22 22 25 22 25 Calculate a) arithmetic mean and b) standard deviation of the sample. A) b) - Represent a classified frequency table. Answer the following questions in this table with column calculations. Calculate a) arithmetic mean, b) quadratic mean, c)...

Resident Commuter 22 25 27 23 26 28 26 24 18 20 19 18 22 25...

Resident Commuter 22 25 27 23 26 28 26 24 18 20 19 18 22 25 24 35 25 20 26 24 27 26 18 19 23 18 23 22 28 25 20 24 18 30 26 18 18 19 32 23 26 30 22 22 22 21 18 20 19 19 18 29 19 22 18 22 19 26 35 19 19 18 19 32 26 19 19 21 23 18 20 18 29 23 21 19 36 27...

Make a histogram of the following data {21, 22, 23, 24, 24, 24, 25, 25, 25,...

Make a histogram of the following data {21, 22, 23, 24, 24, 24, 25, 25, 25, 26, 27, 32, 34} The shape of the distribution is ___________________________________________________ Use your calculator to compute the mean of the data: __________________________________ Use your calculator to compute the standard deviation of the data ________________________ Give the five-number summary for this data: Item Value Draw the complete box-plot (including fences and outliers). Provide an accurate scale. ...

Find the LCM Of 25/7, 15/28, 20/21.

Find the LCM Of 25/7, 15/28, 20/21.Give detail explanation.

Consider the following sample data: 30 32 22 49 28 32 a. Calculate the range. b....

Consider the following sample data: 30 32 22 49 28 32 a. Calculate the range. b. Calculate MAD. (Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) c. Calculate the sample variance. (Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) d. Calculate the sample standard deviation. (Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)

1. (28 marks) This question concerns a male driver aged less than 22 years of age...

1. This question concerns a male driver aged less than 22 years of age who is seeking comprehensive insurance for his car. Such insurance fully covers the cost of any damages from an accident the driver has, both to their own car and any other car(s) involved. Assume that such a customer has a 1% chance of having a serious accident in any given year, a 3% chance of having a medium accident and a 7% chance of having a...

2.The following table contains data on the joint distribution of age(Age)and average hourly earnings(AHE)for 25 to...

2.The following table contains data on the joint distribution of age(Age)and average hourly earnings(AHE)for 25 to 34 year-old full-time workers with an educational level that exceeds a high school diploma in 2012. Download the data from the table by clicking the download table icon.A detailed description of the variables used in the dataset is available here . Use a statistical package of your choice to answer the following questions. Compute the marginal distribution of Age. Marginal distribution of Age Age...

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