Do TV viewers differ, on average, in terms of the amount of television that they watch during the month of January as opposed to June? A researcher conducted a hypothetical study, where the she randomly selected 50 TV viewers and recorded the number of minutes of television watched during January and then again in July. The researcher wanted to determine whether there is a difference in mean number of minutes of television viewing in January and in July. What hypothesis testing technique should the researcher use to analyze the data? O Two-sample t-test O Paired t-test O z-test for the population mean O ANOVA