You intend to conduct a goodness-of-fit test for a multinomial distribution with 4 categories. You collect data from 96 subjects. What are the degrees of freedom for the x² distribution for this test? d.f. =

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: From the provided information, The frequency distribution table is as follow: Low Temperature…

Q: The mean serum-creatinine level measured in 14 patients 24 hours after they received a newly…

A: We have given information, The random sample size n=14. The sample mean x¯=1.2 mg/dL, The population…

Q: For any distribution what is the score that separates the highest 10% from the rest called?

A:

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: Measures UI Use the table for 1-4. 1. What is the mean of the data? 10 +8+11 + 12 + 6 47 %3D 9.4…

A: Finding the median and mode of the given data set

Q: A data set lists earthquake depths. The summary statistics are n = 400, x = 4.96 km, s = 4.76 km.…

A: Given: Sample size, n = 400 Sample mean, x=4.96 Sample standard deviation, s = 4.76 Population mean,…

Q: dara Hormal distribution, find the two Z-Scores that that form the middle shaded region. The shaded…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: e) What is the cumulative density function of X?

A: Solution-: Given: a=5, b=50 Let, X- be the waiting time for the light to turn green in seconds…

Q: A poll of 2,056 randomly selected adults showed that 90% of them own cell phones. The technology…

A: The following information has been provided: X=1848N=2056Sample p or p^=0.898833

Q: What is the test statistic and P-value?

A: The pooled estimate of p is, p¯=x1+x2n1+n2=106+63750+631=1691381=0.1224 The sample proportion for…

Q: A study was performed looking at the effect of mean ozone exposure on change in pulmonary function.…

A: The question is about hypo. testing Given : Sample mean change for high Ozone level ( x¯1 ) = 0.102…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35…

A:

Q: A negative z-score indicates that the score or value is above the mean. True or False

A: Given: z-score

Q: A sample mean has a z= -4.0 on the sampling distribution created from the population of psychology…

A:

Q: In a distribution of scores, the mean is 12, the median is 8 and the mode is 4. Describe the shape…

A: A distribution is said to be positively skewed / right skewed if Mode > Median > Mean  and…

Q: The mean is cosidered to be the "balance point" for a distribution becuase exactly half of the…

A: The mean is considered to be the "balance point" for a distribution because exactly half of the…

Q: If a z-score is 0, it is on the mean. True or False

A:

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A:

Q: * A survey of the white and nonwhlte population In a local area reveals the following annual trip…

A: Comments: As per the company guidelines we are supposed to answer only three sbparts. Kindly repost…

Q: what is the symbol for the first parameter of the distribution and whats the value?

A: Answer: - Actually we have p=0.40  and sample size n=100  , This is the binomial Distribution

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: If the t-statistic for a variable is -1.74, is the variable statistically significant?   No   Yes

A: If the t-statistic for a variable is -1.74, is the variable statistically significant? Explanation:…

Q: A positive z-score indicates that the score or value is below the mean. True or False

A: We want to tell you above statement is true or false

Q: A data set includes data from student evaluations of courses. The summary statistics are n=85,…

A: Given, n=85 x¯=4.07 s=0.68 α=0.05 Hypothesis: H0:µ=4.25 H1: µ≠4.25

Q: r-.393, n 48, p <.05, two-tails Interpret this finding in a short sentence as you would find it in a…

A: Given  r=0.393 n=48 p&lt;0.05 two tails

Q: Determine the probability of seeing a Z score of -5.28 or one with a larger absolute value.

A: Z = -5.28 P( Z &gt; -5.28) = 1 – P(Z &lt; -5.28) = 1 – 0 = 1 P(Z &lt; -5.28) = 0 (From Excel…

Q: Find the value of X2 values that separate the middle 80 % from the rest of the distribution for 20…

A:

Q: 18. Jerry scored 80, 85, 87, and 88 on his irst four tests in science. Which is the score on his…

A: Solution: The objective is to find the fifth score

Q: How is the shape of the F distribution affected by the degrees of freedom?

A: Given data How is the shape of F distribution affected by the degrees of freedom

Q: Two classes write the same test. Class 1 (n=32) has a mean number of points of 720 (M=720, s=20) and…

A: We have given two classes write the same test.For class 1-Sample size n1 = 32Mean M1 = 720Sample…

Q: FInd the Mean and Median of Both Boys and Girls

A: Given data,For boys:10,7,8,11For girls:6,9,8,5

Q: Baseball team A of n=7 scores has a mean = 8.  Baseball team B of n=3 scores has a mean = 12.  if…

A: From the provided information,

Q: What is the z-score boundary for the bottom 2.5% of the distribution?

A: To find the z-score for the bottom 2.5% of the distribution.

Q: the mean of a collection of data is located at the.          of a distribution of data

A: Mean can be defined in a number line as a balance point where there is a balanced distribution of…

Q: A sample of 60 students at De Anza College was taken to estimate the average number of sodas…

A: Given A sample of 60 students at De Anza College was taken to estimate the average number of sodas…

Q: What does it mean when a score is in the tail of a distribution?

A: The distribution in statistics or probability is the shape in which the data behaves when plotted.…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Ho: μ = 70.9 Ha:…

A:

Q: How can I find the sample mean of these four scores ? 1,4,4,10

A: Given data, 1,4,4,10 sample mean(x)=?

Q: Policy loss X is distributed as E(0.01). If there is a deductible of d = 7, calculate the mean and…

A: From the given information, the policy loss X is distributed as E(0.01). Given that the deductible…

Q: Which of the following is the hypothesis test to be conducted? Ho: P = H₁ p < (Round to six decimal…

A: Among 12450 people who survived to their 18th birthday, there are 13 deaths before they reached age…