A quality control manager randomly selects 20 bottles of ketchup that were filled on November 9 to assess calibration of the filling machine What is the population in the study OA All bottles of ketchup produced in the plant on November 9 OB The 20 bottles of ketchup selected in the plant OC The 20 bottles of ketchup selected in the plant on November 9 O D All bottles of ketchup produced in the plant in the given year What is the sample in the study OA The 20 bottles of ketchup selected in the plant on November 9 OB The 20 bottles of ketchup selected in the plant in November OC All bottles of ketchup produced in the plant in the given year D All bottles of ketchup produced in the plant on November 9