Is there a statistically significant difference between males and females in terms of hiring and promotions? The proportion of each sex that says they were hired or promoted in the last year is reported below. Results are from a nationally representative sample. Round answers to the second decimal. Males Females Ps1 = .91 Ps2 = .84 N1 = 1011 N2 = 1200 Population proportion: Standard deviation of the sampling distribution : Z(Obtained) : Statistically significant? (yes or no) :
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Is there a statistically significant difference between males and females in terms of hiring and promotions? The proportion of each sex that says they were hired or promoted in the last year is reported below. Results are from a nationally representative sample. Round answers to the second decimal.
Males Females
Ps1 = .91 Ps2 = .84
N1 = 1011 N2 = 1200
Population proportion:
Standard deviation of the sampling distribution :
Z(Obtained) :
Statistically significant? (yes or no) :
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