Assume the given confidence interval for the population mean height of Sequoia trees in Sequoia National Park, u. What is the sample mean, ? 73.5 feet < u< 78.7 feet The sample mean i - feet

Please only answer 7.5

ACT Scores   Based on the Normal model (mean = 20.8 and standard deviation = 4.8), describing ACT scores for Kentucky high school seniors.   a) what percent scores would you expect to be over 22 (minimum admission for most state schools except Kentucky State and Uni. of Kentucky)? Draw a picture.   b) what percent of scores would you expect ot be below 17 (minimum for admission to the rest of the state schools not mentioned). Draw a picture   3) what act score represents the 90th percentile? Draw a picture.

A group of adult males has foot lengths with a mean of 28.29 cm and a standard deviation of 1.16 cm. Use the range rule of thumb to identify the limits separating values that are significantly low or significantly high. Is the adult male foot length of 30.9 cm significantly low or significantly​ high? Explain.       Significantly low values are enter your response here cm or lower. ​(Type an integer or a decimal. Do not​ round.) Significantly high values are enter your response here cm or higher. ​(Type an integer or a decimal. Do not​ round.) Select the correct choice below and fill in the answer​ box(es) to complete your choice.   A. The adult male foot length of 30.9 cm is significantly low because it is less than enter your response here cm. ​(Type an integer or a decimal. Do not​ round.)   B. The adult male foot length of 30.9 cm is significantly high because it is greater than enter your response here cm. ​(Type an integer or a decimal. Do not​ round.)   C.…

please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly

i need the second part of the question

Please answer the whole thing

A group of adult males has foot lengths with a mean of 27.86 cm and a standard deviation of 1.45 cm. Use the range rule of thumb to identify the limits separating values that are significantly low or significantly high. Is the adult male foot length of 31.0 cm significantly low or significantly​ high? Explain.       Significantly low values are enter your response here cm or lower. ​(Type an integer or a decimal. Do not​ round.) Significantly high values are enter your response here cm or higher. ​(Type an integer or a decimal. Do not​ round.) Select the correct choice below and fill in the answer​ box(es) to complete your choice.   A. The adult male foot length of 31.0 cm is significantly high because it is greater than 31.031.0 cm. ​(Type an integer or a decimal. Do not​ round.)   B. The adult male foot length of 31.0 cm is not significant because it is between enter your response here cm and enter your response here cm. ​(Type integers or decimals. Do not​ round.)…

An HR specialist wants to know, if the employees at the company he works for, work on average more than a full time week of 40 hours. He analyzes his data using SPSS. ( look at graphs)  Was the test significant?  Write the interpretation paragraph. (1) What was done 2) What test was done and what were the results (include APA) 3) What do the results mean? )

Assume that adults have IQ scores that are normally distributed with a mean of 98.4 and a standard deviation 18.1. Find the first quartile Q₁, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.) www