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Q1) Find out whether given values are from discrete or continuous data set.
When woman is arbitrarily chosen and measured for blood pressure, systolic blood pressure is found to be 61 mm Hg.
Q2) In exercise identify (a) sample and (b) population. Also, find whether sample is likely to be representative of population.
AOL Survey America Online asked subscribers to reply to this question: "Which slogan do you hate the most?" Responders were given many slogans utilized to promote car sales, and Volkswagen's slogan received 55% of 33,160 responses. Volkswagen's slogan was "Relieves gas pains."
Q3) Census Data After last national census was conducted, Poughkeepsie Journal ran this front-page headline: "281,421,906 in America." What is wrong with this headline?
Compute the value of the test statistic (to 2 decimals).
A chance sample of 50 families revealed an average or median of $112,000 and a standard deviation of $40,000. What is the standard error of the average or median?
Can we conclude there is a difference in mean number of surgeries performed by hospital or by day of week?
In a regression model involving 30 observations, the following estimated regression equation was obtained:
The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
The ANOVA procedure is a statistical approach for determining whether or not:
Which of the following(s) can be considered (a) variable(s)?
Mean threshold values and standard deviations for the three groups are given below. Normal probability plots showed the three populations were well approximated by the Normal distribution.
Given this, compute the following probabilities for demand during lead time(DDLT).
Calculate the suitable mean response time from both proposed locations and find out which proposed site must be selected for the new emergency facility.
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