Answer all questions explaining what you will do to solve the research problem.

**Do not need to use any SPSS file or data. You can use word tables to show how you want to organize the variables to support your answer. **

Word limit: 150 words max per questions

1. In a research project on the influence of font design on website shopping expenditure, a researcher recruited a sample of 100 customers. One Day they went shopping on a website with Times New Roman and spent some money. Another day the same 100 people went to the store and spent money but on this day the website was showing a San Sherif font. How can the researcher identify if there is a difference in their shopping expenses due to the font change? 2. Data was collected from 3000 Airtel customers in January and July on internet data usage. The sample responded how much data they think they use per month. How can the researcher use the survey to know if on average the mobile data usage was different? 3. An HR recruiting agency has collected IELTS scores of 1500 candidates from Dhaka or 1500 candidates from Chittagong to know if there is any difference in English communication skills between the two districts. How can he address his problem? 4. After getting complaints that mango juice tastes are different in two districts, a manufacturer wants to know if the sugar quantity in ABC mango milk bottles sold in Dhaka and Rajshahi are the same. How can he solve the problem? please kindly answer all the ques, I don't have enough expert post. answer 4 ques with 400 word please