Savings Calculator

Open Office Calc Savings Worksheet

Statistics Miscellanea

Formulae Quizzes (use the learn feature): one, two

T test
–t Table
–t value calculator
–reporting results of repeated-measures t test example: Changing the background color from white to red increased the attractiveness rating of the woman in the photograph by an average of M = 3.00 points with SD = 1.50. The treatment effect was statistically significant, t₍₈₎ = 6.00, p < .01, r² = 0.818.

ANOVA
–One-way Formulae
–Critical F Calculator

Correlation
–Pearson Correlation Computational Formula Worksheet
–Pearson Correlation Definitional Formula Worksheet
–Critical Values for Pearson Correlation

Chi-square
–Chi-square Critical Values

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PRFC:

Periodic Rate Finance Charge Formula

TERMS
APR: Annual Percentage Rate
DBC: Days in Billing Cycle
ADB: Average Daily Balance
PRFC: Periodic Rate Finance Charge

Formula:

If your APR is 7.65%*, you have a 29-day billing cycle, and an average daily balance of $6,000, the formula would be as follows:

*7.65% = 7.65/100 = .0765 Read the rest of this entry »