Exercise 1. Using classical statistics describe the structure of monthly turnover of 80 shops [in tousand PLN].Calculate and interpret: arithmetic mean, standard deviation, coefficient of variability, coefficient of asymmetry (skewness) and coefficient of concentration (kurtosis). Exercise 2. Using positional statistics describe the structure of monthly turnover of 80 shops [in tousand PLN]Calculate and interpret: median, quartiles, deciles, quartile deviation, positional coefficient of variation, positional coefficient of asymmetry and positional coefficient of concentration.Perform all calculations for the following data types:individual data,interval groupped data.5127515929244442472476736841494748544966353418516245554371375260346758556961626047517541482626625534266752473451675757585157575541534814497946697275265944696968 Exercise 3.Calculate Pearson's correlation coefficient between expenditure (Y) and the income per 1 person (X).Build a linear regression model describing the relationship between expenditure (Y) and income per 1 person (X):estimate the structural parameters of the regression model,interprete the regression coefficient,determine the theoretical values and residuals from the estimated model.Lp.ExpendituresIncomeLp.ExpendituresIncome11045472660467212068427142744311652528704424104659291357035645243098590658334319665671226833212765581175083311158197930234865581010356735803011184543361126081210045037915611314858738914951413678039118584158941140105387161396754111057817134671421327971898467439643019123570449469620764564511761921131586461428182210240847124503238351448612932414863649144524259452550135750

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Answered: Exercise 1. Using classical statistics…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 25SGR

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Question

Exercise 1. Using classical statistics describe the structure of monthly turnover of 80 shops [in tousand PLN].Calculate and interpret: arithmetic mean, standard deviation, coefficient of variability, coefficient of asymmetry (skewness) and coefficient of concentration (kurtosis).

Exercise 2. Using positional statistics describe the structure of monthly turnover of 80 shops [in tousand PLN]Calculate and interpret: median, quartiles, deciles, quartile deviation, positional coefficient of variation, positional coefficient of asymmetry and positional coefficient of concentration.

Perform all calculations for the following data types:

individual data,
interval groupped data.

51	27	51	59	29	24	44	42
47	24	76	73	68	41	49	47
48	54	49	66	35	34	18	51
62	45	55	43	71	37	52	60
34	67	58	55	69	61	62	60
47	51	75	41	48	26	26	62
55	34	26	67	52	47	34	51
67	57	57	58	51	57	57	55
41	53	48	14	49	79	46	69
72	75	26	59	44	69	69	68

Exercise 3.

Calculate Pearson's correlation coefficient between expenditure (Y) and the income per 1 person (X).
Build a linear regression model describing the relationship between expenditure (Y) and income per 1 person (X):
- estimate the structural parameters of the regression model,
- interprete the regression coefficient,
- determine the theoretical values and residuals from the estimated model.

Lp.	Expenditures	Income	Lp.	Expenditures	Income
1	104	547	26	60	467
2	120	684	27	142	744
3	116	525	28	70	442
4	104	659	29	135	703
5	64	524	30	98	590
6	58	334	31	96	656
7	122	683	32	127	655
8	117	508	33	111	581
9	79	302	34	86	558
10	103	567	35	80	301
11	84	543	36	112	608
12	100	450	37	91	561
13	148	587	38	91	495
14	136	780	39	118	584
15	89	411	40	105	387
16	139	675	41	110	578
17	134	671	42	132	797
18	98	467	43	96	430
19	123	570	44	94	696
20	76	456	45	117	619
21	131	586	46	142	818
22	102	408	47	124	503
23	83	514	48	61	293
24	148	636	49	144	524
25	94	525	50	135	750

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51	27	51	59	29	24	44	42
47	24	76	73	68	41	49	47
48	54	49	66	35	34	18	51
62	45	55	43	71	37	52	60
34	67	58	55	69	61	62	60
47	51	75	41	48	26	26	62
55	34	26	67	52	47	34	51
67	57	57	58	51	57	57	55
41	53	48	14	49	79	46	69
72	75	26	59	44	69	69	68

51	27	51	59	29	24	44	42
47	24	76	73	68	41	49	47
48	54	49	66	35	34	18	51
62	45	55	43	71	37	52	60
34	67	58	55	69	61	62	60
47	51	75	41	48	26	26	62
55	34	26	67	52	47	34	51
67	57	57	58	51	57	57	55
41	53	48	14	49	79	46	69
72	75	26	59	44	69	69	68

51	27	51	59	29	24	44	42
47	24	76	73	68	41	49	47
48	54	49	66	35	34	18	51
62	45	55	43	71	37	52	60
34	67	58	55	69	61	62	60
47	51	75	41	48	26	26	62
55	34	26	67	52	47	34	51
67	57	57	58	51	57	57	55
41	53	48	14	49	79	46	69
72	75	26	59	44	69	69	68