Examlex
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.You are given the following information. A 95% confidence interval estimate for the difference between the average purchases of all customers using the two different credit cards is
Histogram
A histogram is a graphical representation of the distribution of numerical data, using bars of different heights to show the frequency of data in consecutive, non-overlapping intervals.
Summary Statistics
Numerical values calculated from a dataset that describe its center, spread, and overall pattern, such as mean, median, and standard deviation.
Weekly Salaries
The amount of money or compensation given to employees based on a weekly timeframe for services rendered.
Boxplot
A graphical representation used in descriptive statistics that displays the distribution of data based on a five number summary: minimum, first quartile, median, third quartile, and maximum.
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