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Past records indicated that pass percentage of the high school students in a school was 85%. New techniques are adopted for teaching and it was observed that 182 students passed out of a random sample of 200. At α = 0.01, is there enough evidence to support the claim that ..

The record of low temperatures for six states are given below, find which states have record of low temperatures below - 45° F? States Temperatures Michigan - 34° F New Mexico - 46° F New York - 32° F North Carolina - 52° F Pennsylvania - ..

The number of students in Grade 7 at 15 schools in New York are recorded as 15, 8, 10, 11, 13, 17, 19, 20, 18, 12, 14, 18, 17, 19 and 20. Find the range of the data and pick the appropriate box-and-whisker plot of the data. => Plot 1, 20 or Plot 2, 12 or Plot 3, 8 or Plot 4, 17 ..

The intensity of an earthquake is recorded on the 'Richter Scale', using a seismograph. Which bar graph represents the intensity of the earthquakes in various locations of the United States as given in the table? Area Reading on the Richter scale William sound 8 Andrea of Islands 8.2 ..

The intensity of an earthquake is recorded using a seismograph on the 'Richter Scale'. Which of the bar graphs represents the intensity of the earthquakes in various locations of the United States? Area Reading on the Richter scale William sound 8.2 Andrea of Islands 8.8 New Mad..

Distance-Time Table and Distance-Time Graph - Mr.X is travelling from New Delhi to Agra in a bus and records his observat..

Transportation whether in plants or animals is the key to the efficient assimilation of the nutrients that the organisms synthesise, get from their environment or digest. The study of these processes helps us in many ways. The study of transport mechanisms in plants helps us to understand the upta..

Introduction - Transportation whether in plants or animals is the key to the efficient assimilation of the nutrients that the organisms synthesise, get from their environment or digest. The study of these processes helps us in many ways. The study of transport mechanisms in plants helps us to under..

The branch of chemistry, which deals with energy changes during various physical processes and chemical reactions, is called chemical energetics. All chemical reactions are normally accompanied by energy changes. These energy changes take place because energy is needed to break chemical b..

The development of chemistry is based upon the systematic approach of the scientists in carrying out different experiments. Scientific theories, inferences and generalizations are made on the observations recorded. The quantitative information involves the measurement of one or more quant..