a-marketing-firm-conducted-a-survey-of-individuals-who-use-smartphones-for-more-

Question

A marketing firm conducted a survey of individuals who use smartphones for more than $4$ hours daily. The table below shows the number of such users categorized by age group and type of primary usage.

Table displaying smartphone usage by age group and type: Social Media, Gaming, Productivity, and Streaming.

At $alpha equals 0.05$ , can you conclude that the type of smartphone usage is related to age group? Perform a Chi-Square Test of Independence at $alpha equals 0.05$ to determine whether primary smartphone usage is dependent on age group.

Accepted Answer

Reject the null hypothesis; there is a statistically significant relationship between age group and smartphone usage type.

Answer

Fail to reject the null hypothesis; there is no evidence of a relationship between age group and smartphone usage type.

Answer

The test is inconclusive because the chi-square statistic is less than the critical value.

Answer

Reject the null hypothesis; age and smartphone usage type are independent.