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Hey! Can someone please help with this business statistics questions? It looks like a lot but it's really not! I am just very confused! Below
Hey!
Can someone please help with this business statistics questions?
It looks like a lot but it's really not! I am just very confused!
Below the drop downs are the drop down options.
o t' 3 ues Inn The COVlD-'IB pandemic accelerated the shift from cash to cards. The use of contactless payments also increased sharply in 2020, and lockdowns boosted the growth of e- commerce. Australian Beaurea of Statistics (ABS) claims that 25% of Australian consumers used Paypal when shopping online, and 62.2% of Australians used Amazon pay, with the remainder of Australians using Credit or Debit cards. Not yet saved Marked out of 7.00 t7 Flag When randomly surveying 180 Australian online shoppers, 22 reported using Paypal, 58 said using Amazon pay, while 100 used eithera Credit or a Debit card. uueslicn The observed and expected data are summarised in the table below: Online payment methods Observed Expected (O-E)'2IE Paypal 22 45 "' Amazon pay 58 111.96 26006 Credit/Debit cards 100 \"' 257. 068 Use the above information to answer the following questions by choosing the most correct option or typing the answer. 1. (1 mark) What is the expected value for Australians who use CreditlDebit cards? (2dp) 2. (1 mark) What is the contribution to chisquared for Paypal? (3dp) 3. ('I mark) What is the chi-squared test statistic? (3dp) 4. (2 marks) Using Excel to find the p-value associated with the chi-squared test, what is your conclusion about the ABS's claim? A. Yes, we reject the null hypothesis, and all proportions are different to what ABS has stated. B. No, we do not reject the null hypothesis C. Yes, we reject the null hypothesis, and at least one of the proportions is different to what ABS has stated. Now, we are interested in Credit/Debit users versus non-CreditIDebit users. Research Question: Is the proportion of CreditlDebit users different from the ABS's claim of 0.128? (Hint: To answer this research question, you may need to conduct a different hypothesis test) 5. (1 mark) What is the absolute value of the test statistic? (3dp) 6. (1 mark) Is it reasonable to conclude that the proportion of Credit/Debit users is significantly different to 0.128? 0 A. Yes, we can conclude that the proportion of Credit/Debit users is significantly different, and specifically the proportion is likelyto be higher. B. Yes, we can conclude that the proportion of CreditlDebit users is significantly different, and specifically the proportion is likely to be lower. C. No, we cannot conclude that the proportion of Credit/Debit users is significantly differentStep by Step Solution
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