Question

In: Statistics and Probability

Use the data values in the table below to calculate the correlation, r, between the variables...

Use the data values in the table below to calculate the correlation, r, between the variables x and y.

x	y
4	12.32
5	13.1
6	16.68
7	20.26
8	22.44
9	22.72
10	23.4
11	26.98
12	28.66

Give your answer to rounded three decimal places.

Expert Solution


4	12.32	16	151.7824	49.28
5	13.1	25	171.61	65.5
6	16.68	36	278.2224	100.08
7	20.26	49	410.4676	141.82
8	22.44	64	503.5536	179.52
9	22.72	81	516.1984	204.48
10	23.4	100	547.56	234
11	26.98	121	727.9204	296.78
12	28.66	144	821.3956	343.92

Round to three decimal places.

orchestra answered 1 year ago

Find the correlation coefficient r for the given table below and use it to determine if...

Find the correlation coefficient r for the given table below and use it to determine if there is a Strong Negative or Strong Positive or Weak Negative or Weak Positive correlation. (Check your spelling!) Redshift | 0.0233 |0.0539 | 0.0718 | 0.0395 | 0.0438 | 0.0103 =Distance| 0.32 | 0.75 | 1.00 | 0.55 | 0.61 | 0.14

1. Use the following table to calculate the correlation coefficient (r). and Interpret the results...

1. Use the following table to calculate the correlation coefficient (r). and Interpret the results in words. Credibility X Persuasion Y 59 64 54 60 59 63 58 72 71 78 55 69 55 69 54 67 2.Explain Type I error

1) Find the correlation coefficient r for the given table below and use it to determine...

1) Find the correlation coefficient r for the given table below and use it to determine if there is a Strong Negative or Strong Positive or Weak Negative or Weak Positive correlation. (Check your spelling!) PSAT 183 207 167 206 197 142 193 176 SAT 2200 2040 1890 2380 12290 2070 2370 1980 2) Find the correlation coefficient r for the given table below. (Round to the nearest thousandth) (ONLY TYPE IN THE NUMBER!) x 10 8 13 9 11...

Use the following data to calculate and record the correlation coefficient, r. Height (in.) Foot Length...

Use the following data to calculate and record the correlation coefficient, r. Height (in.) Foot Length (in.) 63 10 66 12 62.5 9.4 74 10.5 70 11.3 72 11.3 71 12.5 64 9.1 72 10.9 71 10 74 12.1 67 10 69 11.1 65 9.6 62.8 9 72 11.3 68.8 10.5 69 10 65.3 9 53 7 71 10.3 74 11.7 70 10 72 10.6 72.5 12.8 67 9.5 69 10.9 74 11.6 68 9 70.1 10.1 62 8 77...

(a) Using R and R Commander, run the Correlation test between the variables attpublicschools and attteachingprof....

(a) Using R and R Commander, run the Correlation test between the variables attpublicschools and attteachingprof. Copy appropriate output and paste it below this question. Is the correlation significant at 5% alpha level? [6 Points] I have done the correlation test. (see below for data) How do I know if the correlation significant at 5% alpha level? Is 5% alpha the same as 95% confidence interval? Pearson's product-moment correlation data: attpublicschools and attteachingprof t = 3.724, df = 22,...

Calculate the t-test statistic for whether the correlation coefficient between the two variables below differs significantly...

Calculate the t-test statistic for whether the correlation coefficient between the two variables below differs significantly from 0. (Hint: You will first need to calculate the correlation coefficient.) 14 15 17 18 19 13 21 2 23 4 11 5 9 3 13 15 14 18 21 2

Use the values provided in the table below to calculate ΔGrxn in kJ at 298 K...

Use the values provided in the table below to calculate ΔGrxn in kJ at 298 K for the combustion of 1 mole of sucrose, C12H22O11. Substance ΔHf°, kJ/mol Sf°, J/mol∙K C12H22O11 (s) -2222 360 O2 (g) 0 205 CO2 (g) -394 214 H2O (g) -242 189

Examine the Correlation Matrix for the variables in the model presented in the table below. Correlations...

Examine the Correlation Matrix for the variables in the model presented in the table below. Correlations Life Purpose and Satisfaction gender subject's age depressed state of mind exercise Pearson Correlation Life Purpose and Satisfaction 1.000 .149 .051 -.661 .307 gender .149 1.000 -.020 -.074 .033 subject's age .051 -.020 1.000 .016 -.097 depressed state of mind -.661 -.074 .016 1.000 -.211 exercise .307 .033 -.097 -.211 1.000 Sig. (1-tailed) Life Purpose and Satisfaction . .001 .147 .000 .000 gender .001...

Using the table below calculate the missing values.

Using the table below calculate the missing values.YearNominal GDPReal GDPGDP Deflator1 (2007)3,753____________812 (2008)4,5515,009____________3 (2009)5,150____________100.004 (2010)5,6665,255____________5 (2011)____________6,175 158Enter the missing values : the inflation/growth rates as indicated below.Inflation rate year 1-2 ____________Inflation rate year 3-4 ____________Real growth rate yr. 2-3 ____________Real growth rate yr. 4-5 ____________

Calculate the covariance and correlation coefficients by completing the below table, assuming sample data. Show all...

Calculate the covariance and correlation coefficients by completing the below table, assuming sample data. Show all workings. (Note: You can calculate the mean and standard deviation of X & Y with Excel or your calculator; no working for their calculation is required.) X Y (X - X bar) (Y - Y bar) (X - X bar)(Y - Y bar) 5 5 2 3 5 4 8 7 6 9 (b) Comment on the direction and strength of the association between X...