Guests staying at Marada Inn were asked to rate

Transcript:Guests staying at Marada Inn were asked to rate:
Guests staying at Marada Inn were asked to rate the quality of their accommodations as being excellent, above average, average, below average, or poor. The ratings provided by a sample of 20 guests are: Below Average Above Average Above Average Average Above Average Average Above Average Average Above Average Below Average Poor Excellent Above Average Average Above Average Above Average Below Average Poor Above Average Average Example: Marada Inn 3 9 5 2 1 Categorical Data 1 Poor Below Average Average Above Average Excellent Rating Frequency Example: Marada Inn Total 20 2 3 5 9 Categorical Data Poor Below Average Average Above Average Excellent 10 15 25 45 5 100 Relative Frequency Percent Frequency Rating Example: Marada Inn .05 1.00 .10 .15 .25 .45 1 Total 20 2 3 5 9 Frequency Categorical Data Poor Below Average Average Above Average Excellent Frequency Rating Categorical Data Marada Inn Quality Ratings Below Average 15% Average 25% Above Average 45% Poor 10% Excellent 5% Marada Inn Quality Ratings Categorical Data Pelican Stores Pelican Stores is chain of women’s apparel stores. It recently ran a promotion in which discount coupons were set to customers of other National Clothing stores. Data collected for a sample of 100 in-store credit card transactions at Pelican Stores during one day while the promotion was running are shown in Table 2.18. Customers who made a purchase using a discount coupon are referred to as promotional customers and customers who made a purchase but did not use a discount coupon are referred to as regular customers. Because the promotional coupons were not set to regular Pelican Stores customers, management considers the sales made to people presenting the promotional coupons as sales it would not otherwise make. Customer 5 purchased 2 items, … which cost her $54 Pelican Stores Pelican Stores is chain of women’s apparel stores. It recently ran a promotion in which discount coupons were set to customers of other National Clothing stores. Data collected for a sample of 100 in-store credit card transactions at Pelican Stores during one day while the promotion was running are shown in Table 2.18. Customers who made a purchase using a discount coupon are referred to as promotional customers and customers who made a purchase but did not use a discount coupon are referred to as regular customers. Because the promotional coupons were not set to regular Pelican Stores customers, management considers the