Question

In: Statistics and Probability

A grocery store was interested in understanding the level of brand loyalty for different products. The...

A grocery store was interested in understanding the level of brand loyalty for different products. The store randomly polled 100 customers who had just purchased milk and found that, of the 100 customers, 53 were loyal to one brand of milk. The store then randomly polled 100 customers who had just purchased bath soap and found that, of the 100 customers, 65 were loyal to one brand of soap. The grocery store would like to know if this shows evidence that customers display stronger brand loyalty to soap than milk. What test should be used?

Two sample test of means with unknown variance (standard deviation) but assumed equal

Two sample test of proportions

Two sample test of paired means with unknown variance (standard deviation)

Two sample test of means with unknown variance (standard deviation) but assumed unequal

Solutions

Expert Solution

Ans :

Two sample test of proportions

                                                                                                                                                   


Related Solutions

Brand loyalty and the Chicago Cubs. According to literature on brand loyalty, consumers who are loyal...
Brand loyalty and the Chicago Cubs. According to literature on brand loyalty, consumers who are loyal to a brand are likely to consistently select the same product. This type of consistency could come from a positive childhood association. To examine brand loyalty among fans of the Chicago Cubs, 371 Cubs fans among patrons of a restaurant located in Wrigleyville were surveyed prior to a game at Wrigley Field, the Cubs’ home field.34 The respondents were classified as “die-hard fans” or...
Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with...
Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with a mean of 850 boxes and a standard deviation of 80 boxes b) What is the probability that weekly demand is: Less than 900 boxes? More than 1020 boxes? Less than 660 boxes or greater than 980 boxes?
Imagine you work for Company Xtreme, and you are interested in seeing how consumer brand loyalty...
Imagine you work for Company Xtreme, and you are interested in seeing how consumer brand loyalty influences how much consumers spend weekly on their products. 25 customers completed a survey in which participants were asked to indicate “To what extent do you agree with the following statement: I consider myself to be brand loyal to Company Xtreme” (1 = Strongly Disagree to 7 = Strongly Agree). Additionally, you asked participants to “please write down how much you spend weekly on...
A grocery store manager is interested in testing the claim that banana is the favorite fruit...
A grocery store manager is interested in testing the claim that banana is the favorite fruit for more than 50% of the adults. The manager conducted a survey on a random sample of 100 adults. The survey showed that 56 adults in the sample chose banana as his/her favorite fruit. Assume the manager wants to use a 0.05 significance level to test the claim. (a) What is the appropriate hypothesis test to use for this analysis? Please identify and explain...
1. The produce manager for a local grocery store is interested in estimating the proportion of...
1. The produce manager for a local grocery store is interested in estimating the proportion of apples that arrive on a shipment with major bruises. The supplier claims the rate will be about 10%. a) The produce manager wants to estimate the true proportion of bruised apples to within ±2%, with 90% confidence. How many apples should he sample? b) A random sample of 150 apples showed 12 with major bruises. Conduct a full hypothesis test to see if this...
The Always Fresh Grocery Store carries a particular brand of tea that has the following characteristics:...
The Always Fresh Grocery Store carries a particular brand of tea that has the following characteristics: Sales = 8 cases per week Ordering cost = $10 per order Holding cost factor = 20% per unit per year Unit cost = $80 per case The Always Fresh Grocery Store is offered a discount by its supplier: Order size Item cost 0-49 $80 50-99 $76 100+ $74 a. Should the grocery store take the discount offer? b. If they decide to take...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to consistently select the same product. This type of consistency could come from a positive childhood association. To examine brand loyalty among fans of the Chicago Cubs, 365 Cubs fans among patrons of a restaurant located in Wrigleyville were surveyed prior to a game at Wrigley Field, the Cubs' home field. The respondents were classified as "die-hard fans" or "less loyal fans." The study found...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to consistently select the same product. This type of consistency could come from a positive childhood association. To examine brand loyalty among fans of the Chicago Cubs, 375 Cubs fans among patrons of a restaurant located in Wrigleyville were surveyed prior to a game at Wrigley Field, the Cubs' home field. The respondents were classified as "die-hard fans" or "less loyal fans." Of the 133...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to consistently select the same product. This type of consistency could come from a positive childhood association. To examine brand loyalty among fans of the Chicago Cubs, 366 Cubs fans among patrons of a restaurant located in Wrigleyville were surveyed prior to a game at Wrigley Field, the Cubs' home field. The respondents were classified as "die-hard fans" or "less loyal fans." Of the 134...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to...
According to literature on brand loyalty, consumers who are loyal to a brand are likely to consistently select the same product. This type of consistency could come from a positive childhood association. To examine brand loyalty among fans of the Chicago Cubs, 374 Cubs fans among patrons of a restaurant located in Wrigleyville were surveyed prior to a game at Wrigley Field, the Cubs' home field. The respondents were classified as "die-hard fans" or "less loyal fans." Of the 132...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT