Course: Data Mining Language: R   Given the following data set with 10 data points and 4 attributes, and the final column represents the label of the data points. There are missing values in the data, replace those missing values with any one of the methods discussed in class. Comment on why you think the method you used is the most suitable.

Several years ago, two companies merged. One of the concerns after the merger was the increasing burden of retirement expenditures. An effort was made to encourage employees to participate in the 401(k) accounts. Nationwide, 63% of eligible workers participated in these accounts. The accompanying data table contains responses of 30 employees of the company when asked if they were currently participating in a 401(k) account. Complete parts a through d. Click the icon to view the data table. a. Determine the sample proportion of company workers who participate in 401(k) accounts. The sample proportion is. (Round to three decimal places as needed.) b. Determine the sampling error if in reality the company workers have the same proportion of participants in 401(k) accounts as does the rest of the nation. The error is (Round to three decimal places as needed.) c. Determine the probability that a sample proportion at least as large as that obtained in the sample would be obtained if the…

Please complete the following question. Make sure you are responding to all parts of the question.    The number of awards earned by students at one high school is recorded. Predictors of the number of awards earned include the type of program in which the student was enrolled (e.g., vocational, general or academic) and the score on their final exam in math. Variables Participant number (ID) Number of awards Program type (vocational - 1; general - 2; academic - 3 Math Score   id    num_awards    prog    math 45    1    3    41 108    1    1    41 15    1    3    44 67    1    3    42 153    1    3    40 51    1    1    42 164    1    3    46 133    1    3    40 2    1    3    33 53    1    3    46 1    1    3    40 128    0    2    38 16    1    3    44 106    1    3    37 89    1    3    40 134    1    1    39 19    1    1    43 145    0    3    38 11    1    2    45 117    0    3    39 109    1    1    42 12    1    3    45 37    1    3    40 69    0    3    40 43    1    2    43…

Assitance with the following please. Using the information given in the image. c.  Compare the variation in the number of driving citations and the annual income. Explain why you choose this method to compare the variations?

I can't understand why the data is the percentage of surveyed parents.

You are the Provost of a University and you want to see if students would like to participate in classroom-based physical activity. You implemented a quick pilot test and collected data after Spring quarter. Below is the first set of data. Based on the data, answer the question. Age (1-18-24 Participant Height (inches) Weight (pounds) Sex (1= male, 2 = female) Ever participated in classroom exercise (1= No, 2 = Yes) years, 2=25-34 years, 3 35-49 years, 4 50 years or older) 1 66 150 1 1 1 2 72 150 2 2 4 3 66 150 2 1 2 4 74 215 1 2 1 5 66 112 2 2 6 71 215 2 2 7 69 175 2 2 3 8 66 152 2 1 9 72 375 1 10 66 140 1 2 What type of variable is sex and age? dichotomous, ordinal dichotomous, nominal O nominal, discrete nominal, dichotomous

Suppose you have access to a database with the variables listed below. Choose two variables you are interested in exploring that may be related (a predictor and outcome). Which variable is your y (outcome) and which is your x (predictor)?  *Hint: which one may predict the other? Example: hot weather may predict sunburns.

Virginia polled a large sample of individuals to find the percentage of students with known food allergies and the percentage of students without known food allergies. Which of the following could sufficiently display the data if only the two given categories are to be included? Select the correct answer below:   bar graph   pie chart   either a pie chart or a bar graph   neither a pie chart nor a bar graph

Hi please answer this practice problem, so I can review my work !

K A university conducted a survey of 387 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Click the icon to view the table. 美 Data table Satisfied Neutral Not satisfied Total Freshman Sophomore Junior Senior 51 48 62 59 28 20 18 13 23 21 18 26 102 89 98 98 Total D₁ 220 79 88 387