An employee who has just been put in charge of the pet adoption fundraiser thinks that a personal phone call to recent adopters asking for a donation will bring in more monetary contributions, on average, than sending recent adopters a personal mailing asking for a donation. She plans to randomly select 25 recent adopters to reach out for donations with a personal phone call and will randomly select another 25 recent adopters to send a personal note with a donation request. She will record and compare the donation amounts (in dollars) O Simple linear regression O One-sample t-test for a population mean O Paired t-test for a population mean difference O Two-sample t-test for the comparison of two population means O One-sample z-test for a population proportion O Two-sample z-test for the comparison of two population proportions O ANOVA for comparing many population means O Chi-squared test of goodness of fit O Chi-squared test of independence O Chi-squared test of homogeneity O One-sample Binomial test for a population proportion