For a given set of 25 items, coeff‌icient of correlation between x and y is 0.6. The values of the arithmetic mean of x and y are 14 and 18, respectively, and the values of standard deviation of x and y are 4 and 6. respectively. If the pair (25. 18) has been wrongly taken as (18, 25). then find the correct value of correlation coeff‌icient.

Which of the following is the correct way of expressing null hypothesis of the lower tail test of the population mean? It is given that uo is a hypothesized lower bound of the true population mean

In data mining, which of the following parts of a decision tree represents the outcome ofa test?

Which of the following statements is/are correct about an SAS differentiator?

Which of the following is correct about classif‌ication of data?

The following code represents a function performed in data mining; identify the function represented. mine comparison [as {pattern_name]} For (target_class } where {t arget_condition ) {versus {contrast_class_i } where [contrachondition_i]} analyze [measure(s) ]

find the correct syntax of the R function used for creating binary f‌iles. Assume object as the binary file to be written. n as the number Of bytes and con as the connection object.

Which of the following statements is correct about the Predictable column supported by the Microsoft linear regression algorithm?

Which of the following is the correct syntax of the PredictSupport (DMX) prediction function used with Microsoft linear regression algorithm?

Which of the following regression techniques attempts maximizing the prediction power with minimum number of predictor variables?

A user wants to read and print the contents of a CSV file named myexample-csv that is present in his current working directory. Which of the following is the correct syntax of the command that should be executed by him to accomplish this task?