Question
calculate the test statistic and p value please.
Do Homework-Azuasie Patience Tsomukong-Browser www.mathxl.com Intro to Stats (Summer 2017) Homework: Section 18.1 Homework Score: 025 of 1 pt (%) 18.141-T PC Optimizer Pro ._7 of13 (13 complete) HW Score: 78 85% 1025 of 13 pts Question Help sults to Joel ran än expeniment to test optimum power and time set unpopped, on average He determined that power 9 at 4 minutes was the best popcom (selected power and time settings for microwave popcom. His goal was t ettings for microwave popcorn His goal was to deliver pop com with fewer than 1 1% of the kernels left Walmart power 9 at 4 minutes was the best combination. To be sure that the method was successful, he popped 8 more bags of et s Photo Center unpopped kemels shown below at random) at this setting All were of high quality, with the percentages of 2B, 10 1. 46,94 136.69 42 69 Does this provide evidence that he met his goal of an average of fewer th Choose the correct nul änd altemative hy potheses an 11% unpopped kernels? UseODS as he Pais eor evel e Download utor Free How# 11 ect 7 Question uestion uesth Calculate the test statistic Afee ity Sc. Enter your answer in me answer box and menidick check Answeo Final Drive Fury ing
Explanation / Answer
The statistical software output for this problem is:
One sample T hypothesis test:
: Mean of variable
H0 : = 11
HA : < 11
Hypothesis test results:
Hence,
Test statistic = -2.92
p Value = 0.0112 [Rounded off to 4 decimal places]
Variable Sample Mean Std. Err. DF T-Stat P-value var1 7.3125 1.2635604 7 -2.918341 0.0112