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Apple recently entered the financial services market with its version of a credit card, the Apple Card. The card competes with other credit cards and various financial payment technologies such as Paypal, Venmo, and Android Pay. Industry analysts estimate that 6 out of 10 Americans have a credit card and that credit card use has grown by 42 percent in the past 7 years. The Apple Card entered the market as a
Degrees of Freedom
Defines the number of independent values or quantities that can vary in an analysis without breaking any constraints.
Two-Sample T Test
A statistical analysis used to compare the means of two independent samples to determine if there is a statistically significant difference between them.
Pooled Estimate
A method to estimate a combined variance from two or more groups that assumes the groups have the same variance.
F Test
A statistical test used to determine if there are significant differences between the variances of two or more samples.
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