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$69/person one-time payment for 12 months

$39/person one-time payment for 6 months

$9/person one-time payment for 1 month

$5.99/person one-time payment for 4 months (for a semester)

$69/person recurring payment for every 12 months

$39/person recurring payment for every 6 months

$9/person recurring payment for every month

$5.99/person recurring payment for every 4 months (for every semester)

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Data Source
Data Import (CSV, Excel, SPSS)
Data Export (CSV, Excel)
Statistical Analysis
Pearson Correlation
Spearman's Correlation
Kendall Correlation
Chi-Square Goodness-of-Fit Test
Chi-Square Test for Independence
Independent Samples t-test
Paired Samples t-test
One Samples t-test
Logistic Regression (Logit)
Linear Regression
One-Way Between Subjects ANOVA (One-Way Non-repeated Measures ANOVA)
Two-Way Between Subjects ANOVA (Factorial Non-repeated Measures ANOVA)
One-Way Within Subjects ANOVA (One-Way Repeated Measures ANOVA)
Two-Way Within Subjects ANOVA (Factorial Repeated Measures ANOVA)
Two-Way Mixed ANOVA (Factorial Between and Within Subjects ANOVA)