Quantative methods Essay Example | Topics and Well Written Essays - 1000 words

Quantative methods - Essay Example The distances between each internal on the scale is equal. The location of zero is arbitrary in an interval scale. For example, the difference between 80 degree and 70 degree on a Fahrenheit scale is the same as the difference between 50 degree and 40 degree. But we cannot say that 80 degree is twice as hot as 40 degree because the zero does not represent the lack of temperature but a relative point on the Fahrenheit scale. In ratio scale there are absolute quantities and it possesses an absolute zero. An absolute zero represents an absence of an attribute. We use a ratio scale when measuring weight. If we hear zero kilograms of wheat, then it means there is no wheat. 4. Of the 50 respondents 13(26%) have said that they watch the national network news at 5:30 pm on Channel 5. 9(18%) respondents see it on Channel 3, 21(42%) see it on Channel 8 and 7(14%) were undecided. 9(18%) respondents see the local news on Channel 3, 25(50%) see on Channel 8, 11(22%) see on Channel 5 and 5(10%) ar e undecided. 24(48%) respondents rated the local news station they watched as good. 12(24%) respondents rated it as very good and 6(12%) said that it was excellent. Only 3(6%) rated it as poor. 17(34%) respondents rated the sports coverage as good, 16(32%) rated as very good and 10(20%) as excellent. Only 5(10%) rated it as poor. 35(70%) respondents rated the weather report as good or above. ... 33(66%) respondents say that the network news station is not an influence regarding which local news they watch. The shape of the frequency distribution of the variable X14 is trimodal. It has three modes. It can also be said that it is J-shaped because the highest values are at the extreme left. The frequency distribution of variable X15 is such that it has multiple modes. The shape of variable X17 is bimodal. The frequency distribution of variable X18 and X19 is approximately normal (bell-shaped). Recommendations The average age of the household head in Middletown is 44 years, and most of the household heads are in the range of 24-40 years. So Channel 5 should concentrate on targeting middle age men aged 25-45 so that they gain maximum viewership. Middle aged people usually are interested in sports and local news so Channel 5 should concentrate on showing more sporting events and give up to date local news. Channel 5 should also concentrate on those people who have rated local news , sports coverage and weather updates poorly. Channel 5 should also show sports and local news at prime time as this is the time when the maximum number of people is watching television. On average the people have been living in this state for 26.78 years. So they may be very interested in the local news. It is important that Channel 5 focuses on the local news. People in the area do not watch a lot of TV. They watch an average of 12.08 hours per week which makes it 1.72 hours per day. So Channel 5 needs to find out when the people watch TV the most and then target that spot. 5. Mean, median and mode are the three most important measures of the central tendency. They indicate where the center or the most typical value of the data set lies. The mean is simply