Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
When evaluating the teaching effectiveness of instructors in an academic department of public health, the average test scores obtained by students in their 15 biostatistics classes was recorded to be 78 with a standard error of 2.5. The national average for similar biostatistics courses is known to be 70. Based on this information, can you conclude that instructors in this specific department of public health perform score better than the national average. Justify your conclusion with statistical reasoning by conducting an appropriate test of hypothesis
Research hypothesis:
H1: H0:
Test statistic:
p-value (compare with alpha = .05):
Conclusion in terms of the problem:
Social power in the classroom. Witt and Schrodt (2006) tested the relationship between nonverbal immediacy.
Chemical composition of rain water. The Journal of Agricultural, Biological, and Environmental Statistics presented a study of the chemical composition of rain water. - Identify the type for each independent variable.
Absenteeism. A company s records indicate that on any given day about 1% of their day-shift employees and 2% of the night-shift employees will miss work.
a banking consultant is investigating if the proportion of households with saving above 20000 has increased from last
a survey of statistics students includes information on their age college major expected salary after graduation and
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample approximately half the size.
We have the following data: sample mean ¯x= 42.6, sample deviation s= 2, number of samples n= 33 and the null hypothesis is µ0= 42.
the yearly tuition costs x in hundreds of dollars for six state universities are given in the table below. for each
If Jayne randomly picks a dress each day for 3 days, what is the probability of selecting either a red or white dress only one of those days?
for the given pair of events classify the two events as independent or dependent. driving 30mph over the speed limit
A pump supplies oil at 0.0016 m3/s to a 40-mm-diameter double-acting hydraulic cylinder. If the load is 5000 N (extending and retracting) and the rod diameter i
1. During his career in the NHL, hockey great Wayne Gretzky had the following season-total goals for each of his 20 seasons. Source: The World Almanac and Book of Facts 2000, p. 954.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd