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Analysis Of Uses of Credit card Using descriptive statistical tool and regression tools

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Analysis Of Credit card Uses from descriptive statistical tool and regression tools


In the current time period credit card business is running by the number of firms. In the current report data set related to credit card is analyzed and in this regard descriptive statistical tool are used to analyze the data along with regression analysis tools. In middle part of the report, correlation tool is applied to explore relationship among the variables. Apart from this, ANOVA tools is used to identify whether there is relationship between geographic location and depression level. In this way, entire research is carried out.

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Analysis Of Uses of Credit card Using descriptive statistical tool and regression tools

In case of variable income it is observed that on average basis people are earning $43000 followed by standard deviation which is 14.55. On other hand, in case of variable household on average basis size of the entire family is 3.42 which means that on average basis there are 3 to 4 members in each family from whom data is gathered. Standard deviation is 1.73 which means that family size is approx. same over time period and it does not change at rapid pace. Mean value of amount charged is 3963.86 which means that there are large number of respondents which are making annual charge of mentioned value in respect to credit card. Results are clearly reflecting that the difference between minimum and maximum amount charged is high if same is compared with relevant studied variables which are given in the table. This is reflecting that people become more habitual of using credit card to meet their needs. Even people are making overuse of credit card if we compare and take in to account their income level.

Regression analysis

H0: There is no significant mean difference between income level, household size and amount charged.

H1: There is significant mean difference between income level, household size and amount charged.

Figure 2Regression analysis

1Income residual chart

Figure 2Household size chart

Figure 3Income line fit plot

Figure 4Household size line fit plot


There is high degree of correlation among the variables income level, household and amount charged. This is proved from the fact the correlation value is 0.90 which is very high and is near to 1. Results are also indicating that big percentage change comes in the amount spend with slight change that happened in the values of the variables namely income level and household. As per facts 82% variation comes in the amount spend with variation in the mentioned variables. Adjusted R square is 0.81 which strongly indicating that 81% variation comes in the amount charged when any new variable will be added in the data set. Level of significance is 1.54>0.05 and this is clear that in terms of impact both independent variables does not have significant impact on the dependent variable. Results are reflecting that in case income of individual changed then amount charged may be impacted by 33 points. In same way if household size altered then amount charged may change by 356 points.

Equation of regression

Equation of regression

Regression equation for income level and household are prepared above. It can be observed that value of intercept is 1305 and same of beta is different in case of income level and household which are 33.12 and 356. X is the dependent variable. When value of dependent variable is placed in the above mentioned model value for dependent variable is computed. It can be said that regression analysis is the one of the most important tool that is used to make prediction for dependent variable.

Predicted credit card charge when family size is three

Household size= a+ bx = 1305+356*3=2373

Results are clearly indicating that on mean basis average charge may be of value $2373 in case people income is $40000.

Modification of model

Model can be modified by adding new variable namely household saving rate and by using relationship that exist between the saving rate and credit card charge can be identified.


Activity 01

Data are arranged in variable view in excel sheet.

Activity 02

(a)Drawing histogram

Credit card analysis

Credit card analysis using tools

Credit card analysis experiment

Credit card analysis experiment


(b)Descriptive statistics


On analysis of variables it can be observed that mean value and standard deviation of HI003 final exam is 25.99(8.27). Value of both statistical tools in case of HI002 final exam is 17.82(3.44) followed by 33.296(4.99) for HI001 final exam. It can be said that students are scoring high number of marks in case of HI001 final exam relative to other one. However, scoring is deviating at fast rate in case of HI003 final exam in comparison to other one. Minmium scoring is done by the students in HI003 final exam and this reflects that performance of students is very low in case of HI003 final exam.

Activity 03

Credit card analysis

Credit card analysis


  • HI001 final exam:Mentioned variable have positive and negative correlation with the other variables. It can be observed that mentioned variable is positively related with HI001 and HI003 2 assignments. In both cases value of level of significance where 0.01 and 0.03
  • • H1001 assignment 01:Results are clearly indicating that HI001 assignments and final exam that is related to HI003. It can be seen from the above table that in case of HI002 final exam and first assignment of same there is negative correlation -0.15 and -0.97. Thus, variable have both positive and negative relationship with other variables.
  • HI001 assignment 02:Related variable have low correlation with HI003 final exam as value of statistical tool is 0.277as well as same for HI003 assignment 1 is 0.049. Other than this in case of all other variables negative correlation is observed in respect to HI001 assignment 02.
  • HI002 final exam:HI002 final exam is associated with its first and second assignment values positively. As it can be observed that value of level of significance is 0.177(0.081>0.05 and 0.363(0.00>0.05), HI003 final exam 0.116(0.257>0.05). Mentioned variable have less of medium relationship with HI003 final exam. Thus, it can be said that there is interconnection among variables.
  • HI002 assignment 01:Results are clearly revealing the relationship that HI002 assignment 01 have with the second assignment of HI002 and final exam of HI003. Correlation value is 0.549(0.00>0.05) and 0.016(0.880>0.05) for both variables. There is negative association of HI002 assignment 01 first assignment of HI003. This is proved from the negative value of correlation -232(0.02<0.05) and second assignment of HI003 -0.74(0.470).
  • HI001 assignment 02: It can be seen from the table that final exam of HI003 is positively related to second assignment of HI002. There is negative correlation of variable with first assignment of HI003 -.192(0.05=0.05). Same trend is observed in case of third assignment of HI003.
  • HI003 final exam: Results are reflecting that assignment one of HI003 and second assignment of HI003 are positively related with correlation value of 0.197(0.05=0.05). Same trend is observed in case of second assignment of HI003.
  • HI003 assignment 01Assignment 1 and assignment 2 values are related to each other as reflected by 0.520 (0.00<0.05). It can be said that marks of first assignment if reduced then same thing will be observed in case of other assignment.


Descriptive statistics

  Florida New York North Carolina Florida New York North Carolina
Mean 5.55 8 7.05 14.5 15.25 13.95
STDEV 6 8 7.50 14.5 14.5 14
MAX 9 13 12 21 24 19
MIN 2 4 3 9 9 8



Mean value of depression is high in case of North Carolina in case respondents are good in health. Depression level is not deviating at higher rate in case of all these three cities as standard deviation value is 6, 8 and 7.5. In case respondents taken are suffered from any disease it is observed depression level become double in terms of mean value and standard deviation. It can be said that disease heavily put impact on depression level.


  1. H0: There is no significant mean difference in depression level across studied cities when people are healthy.
  2. HI: There is significant mean difference in depression level across studied cities when people are healthy.


P value is 0.00

  1. H0: There is no significant mean difference in depression level across studied cities when people are not healthy.
  2. HI: There is significant mean difference in depression level across studied cities when people are not healthy.


Value of level of significance is 0.49>0.05 which reflects that there is no significant difference in mean value of depression across different studied cities. It can be said that depression level remain same if one is suffered from specific disease.

3 Appropriateness of treatment

Those who are suffered from depression can do yoga and meditation to control depression level to great extent. By doing so they can control depression and can live healthy life


It is deduced that amount charged is not affected by household size and income level significantly. Means that change in these variables does not bring big change in dependent variable. It is also concluded that marks of one test does not heavily affects marks that can be obtained on other tests as reflected by regression analysis tools. It is also concluded that across the cities depression level is different when patients are healthy. However, in case they are suffered from any disease then in that case depression level does not vary among cities.



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