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Our attitudes flow in part from our attributions, it would seem that our attributions for others behaviors are rather important. How much time and energy do you invest in making sure you aren't guilty of the fundamental attribution error or the self-serving bias?
Approximately what percentage of the manufacturer's batteries will last between 40 months and 80 months? suppose your battery lasts 37 months. What could you infer about the manufacturer's claim?
The simple random sample is n = 14, σ = 12.5 and the original population is normally distributed.
Let X1, ..., Xn be a random sample from a two-parameter exponential distribution, Xi ~ EXP (theta, eta). (a) Assuming it is known that eta = 150, find a pivotal quantity for the parameter theta based on the sufficient statistic.
Components shipped include 0.5% defectives. You plan to select 80 items; if 0 are defective, you will assume all are okay.
Plot the data on the same line and give your impression regarding any apparent differences between the two companies.
Draw a box-and-whisker plot for the data set. Find the variance and the standard deviation. please help me as soon as possible please!!! thank you
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
The researcher wants to determine whether there is a relation between the type of residence owned and the level of the family income. He randomly sampled 100 homeowners and obtained the following data:
The original concepts of analysis of variance came from the work of Sir Ronald A. Fisher, an English statistician. This technique, better known as ANOVA, has become one of the most commonly used research methods for testing differences among sever..
In healthy adults, x is approximately normally distributed with mean µ = 38 and standard deviation σ = 12. What is the probability that:
Conduct an ANOVA comparing anxiety levels (at post test only) of participants across all three treatments, conduct post hoc test if needed.
State the Null and Alternative Hypotheses. Determine the test statistic. Determine and interpret the p-value
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