Cơ sở thống kê và xác suất | Đại học Thái Nguyên

lOMoAR cPSD| 45349271 Full name: Ha Thi Kim Dung Class: BAFK10
Student ID: DTQ2053401010010 Question 1: • Income Income Mean 142.0345238 Standard Error 5.390742418 Median 111.1 Mode 215.8 Standard Deviation 110.4773443 Sample Variance 12205.2436 Kurtosis 5.119008074 Skewness 1.870784395 Range 777 Minimum 5.5 Maximum 782.5 Sum 59654.5 Count 420
-Mean: the average number, found by adding all data points and dividing by the number of data points.
-Median: the middle number, found by ordering all data points and picking out the one
in the middle (or if there are two middle numbers, taking the mean of those two numbers).
-Mode: the most frequent number - that is, the number that occurs the hights number of times. -
Standard deviation: is a measure of the amount of variation or dispersion of a set of values. In this table: lOMoAR cPSD| 45349271 Mean: 142.034524 Standard Error: 5.39074242 Median: 111.1 Mode: 215.8
Standard Deviation: 110.477344 Sample Variance: 12205.2436 • Cost Cost Mean 103.8819048 Standard Error 3.861590052 Median 81.5 Mode 77.1 Standard Deviation 79.13904628 Sample Variance 6262.988646 Kurtosis 5.395337282 Skewness 1.948671781 Range 567 Minimum 4.2 Maximum 571.2 Sum 43630.4 Count 420
-Mean: the average number, found by adding all data points and dividing by the number of data points.
-Median: the middle number, found by ordering all data points and picking out the one
in the middle (or if there are two middle numbers, taking the mean of those two numbers).
-Mode: the most frequent number - that is, the number that occurs the hightestnumber of times. lOMoAR cPSD| 45349271 -
Standard deviation: is a measure of the amount of variation or dispersion of a set of values. In this table: Mean: 103.8819048 Standard Error: 3.861590052 Median: 81.5 Mode: 77.1
Standard Deviation: 79.13904628 Sample Variance: 6262.988646 • Food cost Food Cost Mean 75.3297619 Standard Error 2.549523573 Median 59.5 Mode 36.8 Standard Deviation 52.24968507 Sample Variance 2730.029589 Kurtosis 2.608550514 Skewness 1.470851382 Range 292.9 Minimum 3.5 Maximum 296.4 Sum 31638.5 Count 420
-Mean: the average number, found by adding all data points and dividing by the number of data points.
-Median: the middle number, found by ordering all data points and picking out the one
in the middle (or if there are two middle numbers, taking the mean of those two numbers). lOMoAR cPSD| 45349271
-Mode: the most frequent number - that is, the number that occurs the highest number of times. -
Standard deviation: is a measure of the amount of variation or dispersion of a set of values. In this table: Mean: 75.3297619 Standard Error: 2.549523573 Median: 59.5 Mode: 36.8
Standard Deviation: 52.24968507
Sample Variance: 2730.029589 Question 2: 5 max income and cost Income Cost 782.5 571.2 712.0 306.7 568.8 404.4 525.0 268.3 519.7 482.7