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Sample hypothesisTypes of questionsStatistical method
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Average monthly spending in XX is XXX at least (or at most). average spending per visit (open-ended - number)Parametric test - expected value of normal distribution
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More than X% people of generation XY have only positive associations connected with the company.association (open-ended) - only respondents with positive associations should be countedParametric test - binomial proportion
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Less than X% of students don't drink alcohol. alcohol consumption (yes/no)Parametric test - binomial proportion
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At least x % of customers represent people with gross income > xxx CZK. Customer (yes/no), income (open-ended - number)Parametric test - binomial proportion
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Men perceive society more positively than women. gender (closed), perception (scale)T-test - Independent samples
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Women spend more money on clothing than men. gender (closed), amount (open-ended - number) T-test - Independent samples
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 Seasonal product offer is perceived as of higher quality than a regular offer. 2* quality (scales)T-test - Independent samples
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Students order through a company XY nowadays more often than three years ago. frequency (open-ended - number)(available data from the research 3 years ago)One-sample t-test
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Perceived brand image becomes better after having seen a commercial. image (scale), commercial, image (scale)T-test - Paired samples
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Preference of the place for having a coffee depends on the gender of a customer.consumption (closed - dychotomous), gender (closed)Contingency Tables - Test of Independence
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Preference of the place for having a coffee depends on the age group of a customer. consumption (closed-dychotomous), age group (closed - choice or open-ended - numbers are transfered into intervals)Contingency Tables - Test of Independence
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Ownership of some products made by the company XY influences buying the product XY.ownership (yes/no), buy (yes/no), buying (yes, no)Contingency Tables - Test of Independence
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Desire to buy the product brand XYZ depends on their education. desire (scale), education (closed, choice)ANOVA
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The frequency of company XY visits depends on the age (age group) of a customer. frequency of visits (open-ended, number), age group (numbers are transformed into intervals or closed, choice)ANOVA
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The willingness to change the mobile phone brand depends on the income.willingness (scale), income (open-ended - number/closed (choice)Regression/ANOVA
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The higher number of selling shops in a selected region, the more people know about products made by a company XY. number of shops (number), knowledge (yes/no) - count number of "yes" for every regionRegression/Correltaion
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Satisfied customers are loyal customers at the same time. satifaction (scale), loyalty (scale)Correlation
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Students with higher income buy the brand XY more often. income (open-ended - number), purchase (open-ended - number)Regression/Correlation
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Customers perceive the product quality better with increasing age. gender (open-ended - number), quality (scale)Regression/Correlation
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