Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplo find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a= 0.05. Internet Users Award Winners (Round to three decimal places as needed.) 81.0 78.4 57 6 67.9 1.8 77.5 37.5 5.6 3.4 11 0.1 Determine the null and alternative hypotheses. Ho p =0 H, p # 0 (Type integers or decimals. Do not round.) The test statistic is t= 2.48 (Round to two decimal places as needed.) The P-value is 0 034 (Round to three decimal places as needed.)

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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.