If confidence level is 90% then two tailed alpha would be ________ %.
5
Total significance level \(\alpha=1-0.90=0.10=10\%\). For a two-tailed test this is split equally, giving \(\alpha/2=5\%\) in each tail. Hence the per-tail alpha is 5%.
Similar Questions
Pearson's correlation coefficient is ____________________.
If the sum of the squares of difference of ranks of 6 candidates in two criteria is 21, the rank correlation coefficient is __________.
A doctor finds of all patients that visits his clinic the probability that a patient is alcoholic given that the patient has liver disease is 0.08. The probability that a patient is alcoholic is 0.06 and the probability that a patient has liver disease is 0.12. Find the probability that a patient has liver disease given that he or she is alcoholic?
Find the expected value of a random variable which has the following probability distribution?
Probability Distribution
The following data shows the probability distribution for X:
X: 2 4 6 8 10 P: 0.1 0.3 0.4 0.1 0.1 If x follows normal distribution with mean = 20 and variance = 25. What is P(x ≥ 25)? Given P(z ≤ 1) = 0.841, P(z ≤ 2) = 0.977
If the trend equation to forecast demand Y (in Rs lakhs) for the required month (t) is Y = 100 + 20t - 5t². What is the seasonally adjusted demand forecast for month 3 for which the corresponding seasonal index is 1.25?
If the trendline with 2016 as origin is Y = 125 - 3t -2t², then what will be the trendline with 2014 as origin?
Paasche Quantity Index is given by the formula
The index number for the price of diesel in 2015 was 125 and in 2016, it was 140, on a base year of 2011. What is the percent increase in price of diesel from 2015 to 2016?
A worker earned Rs 15,000 per month in 2015, when the Consumer Price Index was 250. If the base period is 2000, what are his earnings per month in 2015 in terms of value of Rs. in the year 2000?
Important Questions from Sample
Which of the following are correct about Questionnaire?
(a) In open ended question, specific responses are taken through ranking, scaled items and categorical responses.
(b) In ranking, respondent place the response in a rank order according to some criteria.
(c) In scaled item, respondent indicate the strength of their agreement only.
(d) In categorical response, respondent are given only two responses such as 'yes' or 'no'.
Choose the correct option from the codes :
Arrange in sequence the steps involved in the sampling process
A. Choose between probability and nonprobability sampling
B. Specify sampling unit
C. Validate sample
D. Determine the necessary sample size
E.Select appropriate sampling frame
Choose the correct answer from the options given below:
Which one of the following is NOT an essential characteristic of data?
- Which of the example requires snowball sampling technique?
Pearson's correlation coefficient is ____________________.
