Business, 06.04.2020 19:57 unknown6669
Last rating period, the percentages of viewers watching several channels between 11 p. m. and 11:30 p. m. in a major TV market were as follows:
WDUX (News) WWTY (News) WACO (Cheers Reruns) WTJW (News) Others
18% 21% 24% 16% 21%
Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:
WDUX (News) WWTY (News) WACO (Cheers Reruns) WTJW (News) Others
282 401 470 321 526
a. Show that it is appropriate to carry out a chi-square test using these data.
b. Test to determine whether the viewing shares in the current rating period differ from those in the last rating period at the 0.10 level of significance. What do you conclude?
Answers: 1
Another question on Business
Business, 21.06.2019 20:30
Which of the following best describes a fractional reserve banking system? a. a banking system in which a large portion of the bank's assets are digital money rather than bills and coins. b. a banking system in which banks keep a portion of deposits on hand to satisfy their customer's demands for withdrawals. c. a banking system in which banks have only partial control over the interest rates they charge on loans. d. a banking system in which net worth is calculated by subtracting a fraction of liabilities from assets. 2b2t
Answers: 3
Business, 22.06.2019 06:30
If the findings and the results are not presented properly, the research completed was a waste of time and money. true false
Answers: 1
Business, 22.06.2019 08:30
Match the given situations to the type of risks that a business may face while taking credit. 1. beta ltd. had taken a loan from a bank for a period of 15 years, but its sales are gradually showing a decline. 2. alpha ltd. has taken a loan for increasing its production and sales, but it has not conducted any research before making this decision. 3. delphi ltd. has an overseas client. the economy of the client’s country is going through severe recession. 4. delphi ltd. has taken a short-term loan from the bank, but its supply chain logistics are not in place. a. foreign exchange risk b. operational risk c. term of loan risk d. revenue projections risk
Answers: 3
You know the right answer?
Last rating period, the percentages of viewers watching several channels between 11 p. m. and 11:30...
Questions
English, 25.07.2019 19:10
Mathematics, 25.07.2019 19:10
English, 25.07.2019 19:10
World Languages, 25.07.2019 19:20
Mathematics, 25.07.2019 19:20
Geography, 25.07.2019 19:20
