Question: analyse this image ttest mpg == 22 One-sample t test Variable Obs Mean Std. Err. Std. Dev. [95% Conf. Interval] mpg 74 21 . 2973

analyse this image

ttest mpg == 22 One-sample t test Variable Obs Mean Std. Err. Std. Dev. [95% Conf. Interval] mpg 74 21 . 2973 . 6725511 5. 785503 19.9569 22. 63769 mean = mean (mpg) t= -1.0448 Ho: mean = 22 degrees of freedom = 73 Ha: mean 22 Pr (T It| ) = 0.2995 Pr (T > t) = 0.8502

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