(Answered) A weight-loss company wants to statistically prove that its

Statistics

A weight-loss company wants to statistically prove that its methods work. They randomly selected 10 clients who had been on the weight loss program for between 55 and 65 days. They looked at their beginning weights and their current weight. The statistical test they should utilize is:

t test for difference in paired samples
t test for two population means
z test for two population proportions
z test for two population means

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