Stats Help for College-level Students

Word Problem

Research by the Illinois Banking Company revealed that only 10 percent of their customers wait more than five minutes to do their banking. Management considers this reasonable and will not add more tellers unless the proportion becomes larger than 10 percent. The branch manager at the Litchfield Branch believes that the wait i ...continues

Word Problem: Coca Cola share prices.

Listed below is the selling price for a share of Coca Cola, at the close of the year. Year Price Year Price Year Price 1990 12.9135 1994 18.3160 1998 40.6111 1991 16.8250 1995 27.7538 1999 35.0230 1992 20.6125 1996 29.0581 2000 49.5625 1993 20.3024 1997 36.0155 1. Plot the data. 2. Determine the least squares trend eq ...continues

Probability and Expected Value

Find the expected profit in the given question. The Wilhelms Cola Company plans to market a new pineapple-flavored cola this summer. The decision is whether to package the cola in returnable or in no-return bottles. Currently, the state legislature is considering eliminating no-return bottles. Tybo Wilhelms, president of Wilh ...continues

ANOVA Table & Hypothesis Testing

Making an ANOVA table and doing hypothesis testing on the given problem.

Regression

Scatter diagram, regression

Word Problem

Data, test statistic, word problem.

ANOVA

True or False: When the sum of squares within or sum of squares error (SSE) is added to the sum of squares among (SSA), the result is the total sum of squares (SST). The technique of analysis of variance was originated in England by ___________ while conducting agricultural experiments. a. Student b. Gauss c. Pascal ...continues

Mean, Standard Deviation & Probability Distribution

Find the mean, standard deviation and probability distribution for the given problems.

Confidence Interval and Statistical Analysis

Find the confidence interval and conduct statistical analysis for the given problems.

Hypothesis Testing

Hypothesis testing. Please see attachment