z tests t tests chi square tests

. All this help is online, from the comfort of your home.The list of topics( not exhaustive) our Statistics tutor can handle online in Statistics and Probability are given below: Subjective Probability Random Variables and Processes Probability distributions - Normal, Binomial, Poisson, Hypergeomet..

The area under each chi-square distribution is equal to ______. => 0.5 or 50% or 1.0 or 100% or 0.9 or 90% or 0.1 or 10%..

The table shows the number of students passed and failed in the tests conducted by three different examiners Mr.X, Mr.Y and Mr.Z. At α = 0.05, find the chi-square test value and test the hypothesis that the proportions of students failed in th..

A survey was conducted in 3 towns to determine the proportions of people having pets in their home. The results are shown here. Town A Town B Town C Total Have pets 32 45 40 117 Don't have pets 53 40 45 138 Total 85 85 85 255 At α = 0.05, find the chi-square test..

A research surveys 500 people in three different states to determine the proportion of the Republicans. The results are shown here. State A State B State C Total Republicans 280 244 226 750 Others 220 256 274 750 Total 500 500 500 1500 At α = 0.10, find the chi-square ..

Hundred digits were chosen at random from a set of tables. The frequencies of the digits were: Digit 0 1 2 3 4 5 6 7 8 9 Frequency 8 7 13 10 12 14 8 7 9 12 At level of significance α = 0.05, find the chi-square test value and check if the digits distributed are in equal nu..

The data represents the lengths (recorded to the nearest millimeter) of 40 leaves picked for an experiment. Form an appropriate frequency distribution. Find chi-square test value and check if the variable shown in the frequency distribution is normally distributed or not. Use &a..

Identify the square. => Figure 1 or Figure 3 or Figure 2 or I don′t know...

Find the critical value of the chi-square test for a variance with 20 degrees of freedom, at α = 0.05 and test is right tailed. => 30.144 or 31.410 or 10.117 or 10.851..

In this theory, the rate constant is related to three factors Z, f and p by the equation k = Zfp b (19) where Z is the collision frequency f is the fraction of collisions having energy greater than the threshold energy and p is the fraction of the collisions that occurs with the..