Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. recall again that rind & bordia (1996) investi

Recall again that Rind & Bordia (1996) investigated whether or not drawing a happy face on customers’...

50.1K

Verified Solution

Question

Statistics

Recall again that Rind & Bordia (1996) investigated whetheror not drawing a happy face
on customers’ checks increased the amount of tips received by awaitress at an upscale
restaurant on a university campus. During the lunch hour a waitressdrew a happy,
smiling face on the checks of a random half of her customers. Theremaining half of the
customers received a check with no drawing (18 points).
The tip percentages for the control group (no happy face) are asfollows:
45% 39% 36% 34% 34% 33% 31% 31% 30% 30% 28%
28% 28% 27% 27% 25% 23% 22% 21% 21% 20% 18%
8%
The tip percentages for the experimental group (happy face) are asfollows:
72% 65% 47% 44% 41% 40% 34% 33% 33% 30% 29%
28% 27% 27% 25% 24% 24% 23% 22% 21% 21% 17%

d. Write null and alternate hypotheses that correspond with youranswer to
question #c. If you decided to perform a one-tailed test, make sureand
specify which of the two groups you predict will behigher/lower.

Answer & Explanation Solved by verified expert
4.0 Ratings (820 Votes)
Let denote the average tips received by the waitress for the    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Accounting
1.2K views

answer any question1.What is ( Triple jewel) of buddhism ?2.how buddhism compares and contrast...answer...

Finance
1.2K views

Consider a newly issued TIPS bond with a three year maturity, par value of $1000, and...

Biology
1.2K views

Humans are bipedal, terrestrial omnivores. As a species, we are adapted to quite a range of...

Biology
1.2K views

Some scientists believe that fructose is particularly bad for human health because it promote fat synthesis,...

Physics
1.2K views

Intensity of light 50 Two SHMs in same direction are represented by y asinot and...

Accounting
1.2K views

Paynesville Corporation manufactures and sells a preservative used in food and drug manufacturing. The company...

Accounting
1.2K views

The Cloud Burst Sprinkler Company of Benicia, California has been manufacturing and selling a water...

Accounting
1.2K views

Accounting for Excise Taxes Step 1: Identification of Excisable Goods:...

Accounting
1.2K views

X Co. acquired 80% of Y Co. on January 1, Year 3, when Y Co....

Accounting
1.2K views

A machine costing $212,200 with a four-year life and an estimated $17,000 salvage value is...

Accounting
1.2K views

QUESTION 1 The trial balance of The Parker Exclusive...

Accounting
1.2K views

At Sheridan Electronics, it costs $30 per unit ( $16 variable and $14 fixed) to...