thi is my question

mohamed sobh faleh alkhyeli X (1) WhatsApp x @ Formula sheet - Intermediate Ste X + adu.ac.ae/webapps/assessment/take/launch,jsp?course_assessment_id=_29307_1&course_id=_59284_1&content_id=_1114878_1... 17 G Remaining Time: 52 minutes, 14 seconds. Question Completion Status: Ly Moving to another question will save this response. Question 1 of 8 > Question 1 1 points Save Answe Testing claim about variance /standard deviation. The weights of a population of screws has a mean of 2.8 grams with a standard deviation of 0.025 grams. A sample of 30 screws has a mean of 2.4 grams with a standard deviation of 0.012 grams. Calculate the chi-square statistic. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS MathType Paragraph Arial (0) 0 EU Clim E VO (0) [0] BALL Font X 15 06 Do Vo 10 (0)