Math, asked by santosh160802, 2 months ago

Calculate 2(Chi-square) with the help of the

following data :

Size of Villages in Villages in Total

Villages Plain Region Hill Region

Large 30 10 40

Small 20 10 30

Total 50 20 70

Answers

Answered by Anonymous

Step-by-step explanation:

Six salivary glands, located around the oral cavity, secrete saliva. This substance moves out of the glands into the oral cavity through ducts. Saliva is 99% water, but also contains enzymes and proteins that lubricate the oral cavity and begin chemical digestion of food.

thank you for point

Previous Question

Next Question

Similar questions

Hindi, 1 month ago

निम्िनिनित पद्यांश को पढ़कर पछूेगए प्रश्ो ोँकेउत्तर सांक्षेप मेोँदीनिए- (2.5) बडी चीजेंसिंकटों मेंद्ववकास पाती ह,ैंबडी हद्वततयााँबडी मुसीबतों मेंपलकर दुद्विया पर कब्जा करती ह।ैं अकबर िेतेरह साल की उम्र मेंअपिेद्वपता केदुश्मि को परातत कर द्वदया था, द्वजसका एकमात्र कारर् यह था द्वक अकबर का जन्म रेद्वितताि मेंहुआ था और वह भी उस समय, जब उसकेद्वपता केपास एक कततरूी को िोडकर और कोई दौलत िहीं थी। महाभारत...

English, 1 month ago

please give me correct answer...

Science, 1 month ago

Answer it fast No spam and no copied answer And give reason for your answer Spam +copied answer =100 answers gonna report ;) ...

Math, 2 months ago

Three equi-dimensional cubes are joined face to face in a row and are coloured with Blue on all faces. The first cube is cut into 8 equal pieces, middle one into 27 equal pieces and last into 64 pieces. How many cubes have at least one face coloured?