Critical value of two-sample test of means

Assignment Help Basic Statistics

Reference no: EM1393529

Conduct a two-sample test of means. A study by a bank compared the average savings of customers who were depositors for three years or less with those who had been depositors for more than three years.The results of a sample are < or equal mean balance savings 1,200, population standard deviation 100, and sample size 10. > 3 years mean savings balance 1,250, population standard deviation 150, and sample size 15. To test the two groups of customers have equal savings rates, what is the critical value of using a=0.05?

Reference no: EM1393529

Questions Cloud

Maximum rate of inappropriate spontaneous phospholipid flips : Plasma membrane with surface area of 5000 µm2; there are 106 phospholipid molecules per µm2 in each leaflet of the membrane; there are 3000 molecules of flippase enzyme associated with plasma membrane.

Probability that person actually has heart disease : If the test is positive, what is the probability that this person actually has heart disease?

Yield of income and growth mutual funds : A financial planner wants to compare the yield of income and growth mutual funds. Fifty thousand dollars is invested in each of a sample of 35 income and 40 growth funds

Explain the structure of a flagellum : Explain the structure of a flagellum and how it operates and what are the four main types of flagellar arrangement?

Critical value of two-sample test of means : Conduct a two-sample test of means. A study by a bank compared the average savings of customers who were depositors for three years or less with those who had been depositors for more than three years.

Multiple choice questions - membranes : A transmembrane protein in outer membrane of the nuclear envelope would least likely be found later in which one of the following cellular locations?

Residual sum of squares : The regression line yˆ2 = 3 + 2x has been fitted to the data points (4,8), (2,5), and (1,2). The residual sum of squares will be:

Leprosariums to prevent the spread of disease : In the past, people infected with Hansen's disease were committed to leprosariums to prevent the spread of the disease. Explain why do you think that once treatments became effective.

An important advantage of specialty advertising : An important advantage of specialty advertising is its:A versatility B low specific costs C potentially broad reach D ability to significantly lower the cost of sales calls

User Account

All Pages