Researchers investigated the extent to which Japanese immigrant mothers encouraged their infants to interact with them or with objects in their environment (such as toys). The researchers observed 8 mothers with their infants. Data are the number of times that mothers encouraged their infants to engage with them or with objects during the observation period. Test the hypothesis at the a = .05 level using the four-step hypothesis testing procedure. With Mom With Objects 15 40 12 47 14 32 10 50 20 35 28 45 12 42 15 32