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- I just need help with the last three parts of the question. Use n=9 and p = 0.9 to complete parts (a) through (d) below. (a) Construct a binomial probability distribution with the given parameters. P(x) X P(x) 0 5 0.0074 0 6 0.0446 0 7 0.1722 3 0.0001 8 0.3874 4 0.0008 9 0.3874 (Round to four decimal places as needed.) X 0 1 2 - (b) Compute the mean and standard deviation of the random variable using µx= [x • P(x)] and ox=√ [x² • P(x)] −μ²- #x² = 8.10 (Round to two decimal places as needed.) x = 0.90 (Round to two decimal places as needed.) (c) Compute the mean and standard deviation, using μx = np and ax = √np(1-p). Hx= 8.1 (Round to two decimal places as needed.) x = (Round to two decimal places as needed.) (c) Compute the mean and standard deviation, using x = np and ax = √np(1-p). (Round to two decimal places as needed.) x=(Round to two decimal places as needed.) PxNew 1 Re X - deso:cisd.schoolcgy.com/common assesement 2833 Mean, Median and Mode Homework What is the median? 20 0 10 4 3 0 hpKatie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and the level of aggression. She has identified 5 girls who fall into each of 4 interaction level and has measured their aggression scores. Her data are given below. Complete table below by filling in boxes with correct value. Show calculation. No Low Moderate High interaction interaction interaction interaction A, A A1 A2 A3 A4 4 16 4 16 4 16 25 36 4 16 4 16 36 25 3 4 16 36 4 16 25 3. 5 25 25 4 16 3 9 Σ Α82 n2=5; n3=5; n4=5; N= O; X = D; X;=4.80; X 3=4.00; X 4=3.40 Σ Α-26 Σ Α-138 Σ Α Σ Α-118 Σ A-20 Σ Α-17 ΣΑ ; ΣΑΟ397; ni- tot
- What is the calculated mean age in NjAssume the samples are random and independent, the populations are nomally distributed, and the population variances are equal. The table available below shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At a = 0.10, is there enough evidence to conclude that at least one mean battery price is different from the others? Complete parts (a) through (e) below. E Click the icon to view the battery cost data. (a) Let u. 2 Ha represent the mean prices for the group size 35, 65, and 24/24F respectively. Identify the claim and state Ho and H.. Ho: H - X Cost of batteries by type The claim the V hypothesis. Group size 35 Group size 65 Group size 24/ 24F 91 99 111 119 126 O 91 144 174 180 278 79 84 126 140 140 (b) Find the critical value, Fo. and identify the rejection region. The rejection region is F Fo, where Fo- (Round to two decimal places as needed.) (c) Find the test statistic F. F= (Round to two decimal places as…To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 1 2 3 25 34 15 31 32 14 29 37 18 27 33 17 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a = 0.05. Sum of squares, treatment = Sum of squares, error = Mean squares, treatment = mean squares, error = Calculate the value of the test statistic (to 2 decimals). The P-value is: Less than 0.01, between 0.01 and 0.025, between 0.025 and 0.05, between 0.05 and 0.10, greater than 0.10 What is your conclusion? b. At the a = 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. What conclusion can you draw after carrying out this test?
- The table below shows the distribution of weight of a certain type of fruit. weight frequency <10 4 <15 3 <20 23 <25 54 <30 16 <35 9 <40 7 <45 4 1) Draw the histogram of the data and use it to estimate the model weight. 2) calculate mean, median and interquartile range.4. Find the grouped mean Height F 60-65 2 66-71 25 72-77 12 78-83 3A retail survey asked college students how much they planned to spend in various categories during the upcoming academic year. One category is the amount students planned to spend on school supplies. The data below show the amount of money students planned to spend on school supplies. 58, 60, 67, 69, 70, 73, 74, 77, 78, 80, 83, 84, 87, 89, 94, 96, 97, 100, 102, 105 USE SALT (a) Calculate the mean and median for the distribution of money students planned to spend on school supplies. mean median (b) What is the 75th percentile of the distribution? (c) Determine the five-number summary. minimum Q₁ median Q3 maximum
- What is the percentile for your 10th data point? (when they are arranged in order) Number of Frogs Caught Daily Next to my House 29 23 14 13 23 22 16 24 27 25 26 19 21 19 25Summarize the frequency, the total dollars spent, and the mean amount spent per transaction for each type of browser. Discuss the observation you can make about heavenly chocolates business based on the type of browser?The 2018 General Social Survey contains information on the number of 1F poor mental health days adults in the US had in the last month. The data arę below. Calculate the standard error of the mean number of poor health days for females. Table 1. Mean number of poor mental health days in the last 30 days by sex Male Female Total Mean S.D. 3.55 6.78 1408 3.02 4.06 6.43 7.07 678 730 Source GSS 2018 Your answer