the following information was obtained from two independent random samples: the sample means of the two samples are (45, 42), sample variances are (85, 90) and sample sizes are (10, 12). assume normally distributed populations with equal variances. the 95% confidence interval for the difference between the two population means is

What is the missing step in this proof? scroll down to see the entire proof. u

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers

What is another way name for bd? cf, bd, cf, be