diff --git a/tmd/examination/2022/bootstrap_sampling.py b/tmd/examination/2022/bootstrap_sampling.py
new file mode 100644
index 00000000..db8ac4c1
--- /dev/null
+++ b/tmd/examination/2022/bootstrap_sampling.py
@@ -0,0 +1,67 @@
+"""
+Generate sample precision estimates using bootstrap sampling methods.
+"""
+
+import sys
+import numpy as np
+import pandas as pd
+
+USAGE = "USAGE: python bootstrap_sampling.py tc_dump_output_file_name\n"
+
+BS_SAMPLES = 1000
+BS_RNSEED = 192837465
+BS_DUMP = False
+BS_CI = True
+
+
+def bootstrap_sampling(outfile):
+    """
+    High-level logic of the script.
+    """
+    # read odf from outfile
+    odf = pd.read_csv(outfile)
+    print("len(odf) =", len(odf))
+    fdf = odf[(odf["data_source"] == 1) & (odf["iitax"] > 0)]
+    print("len(fdf) =", len(fdf))
+    print(f"FILE wght (#M) = {fdf['s006'].sum() * 1e-6:.3f}")
+    print(f"FILE itax ($B) = {(fdf['s006'] * fdf['iitax']).sum() * 1e-9:.3f}")
+
+    # compute sum of wght and wght*itax for each bootstrap sample
+    xdf = pd.DataFrame({"wght": fdf["s006"], "itax": fdf["iitax"]})
+    rng = np.random.default_rng(seed=BS_RNSEED)
+    wght_list = []
+    itax_list = []
+    for bss in range(1, BS_SAMPLES + 1):
+        bsdf = xdf.sample(n=len(xdf), replace=True, random_state=rng)
+        wght_value = bsdf["wght"].sum() * 1e-6
+        itax_value = (bsdf["wght"] * bsdf["itax"]).sum() * 1e-9
+        if BS_DUMP:
+            print(f"{itax_value:9.3f} {wght_value:7.3f} {bss:4d}")
+        wght_list.append(wght_value)
+        itax_list.append(itax_value)
+    wght = np.sort(np.array(wght_list))
+    itax = np.sort(np.array(itax_list))
+    print(
+        f"BS:wght num,mean,stdev = {BS_SAMPLES:4d}  "
+        f"{wght.mean():9.3f}  {wght.std():7.3f}"
+    )
+    if BS_CI and BS_SAMPLES == 1000:
+        print(f"BS:wght median = {wght[499]:9.3f}")
+        print(f"BS:wght 95%_conf_intv = {wght[24]:9.3f} , {wght[974]:9.3f}")
+    print(
+        f"BS:itax num,mean,stdev = {BS_SAMPLES:4d}  "
+        f"{itax.mean():9.3f}  {itax.std():7.3f}"
+    )
+    if BS_CI and BS_SAMPLES == 1000:
+        print(f"BS:itax median = {itax[499]:9.3f}")
+        print(f"BS:itax 95%_conf_intv = {itax[24]:9.3f} , {itax[974]:9.3f}")
+
+    return 0
+
+
+if __name__ == "__main__":
+    if len(sys.argv) - 1 != 1:
+        sys.stderr.write("ERROR: one command-line argument not specified\n")
+        sys.stderr.write(USAGE)
+        sys.exit(1)
+    sys.exit(bootstrap_sampling(sys.argv[1]))
diff --git a/tmd/examination/2022/precision.sh b/tmd/examination/2022/precision.sh
new file mode 100755
index 00000000..e0e1da1f
--- /dev/null
+++ b/tmd/examination/2022/precision.sh
@@ -0,0 +1,43 @@
+# The examination/2022/precision.sh script using bootstapping methods to
+# estimate the sampling precision of the weighted positive iitax estimate.
+# PREREQUISITE:
+#   (taxcalc-dev) tax-microdata-benchmarking% make test
+# USAGE:
+#   (taxcalc-dev) 2022% ./precision.sh
+
+# === SETUP ===
+TMD=../..
+cp $TMD/storage/output/tmd*csv* .
+gunzip -f tmd.csv.gz
+STATES="ak mn nj nm sc va"
+
+# === WEIGHTS ===
+for S in $STATES; do
+    echo Generating weights for $S ...
+    unzip -oq phase6-state-targets.zip ${S}_targets.csv
+    mv -f ${S}_targets.csv $TMD/areas/targets
+    pushd $TMD/areas > /dev/null
+        rm -f weights/${S}_tmd_weights.csv.gz
+        python create_area_weights.py $S > ${S}_local.log
+        mv -f ${S}_local.log ../examination/2022
+        mv -f weights/${S}_tmd_weights.csv.gz ../examination/2022
+    popd > /dev/null
+done
+
+# === RESULTS ===
+cd $TMD/examination/2022
+TC_OPTIONS="--exact --dump --dvars precvars"
+echo Generating results for US ...
+tc tmd.csv 2022 $TC_OPTIONS | grep -v data
+python bootstrap_sampling.py tmd-22-#-#-#.csv
+for S in $STATES; do
+    echo Generating results for $S ...
+    TMD_AREA=$S tc tmd.csv 2022 $TC_OPTIONS | grep -v data
+    python bootstrap_sampling.py tmd_${S}-22-#-#-#.csv
+done
+
+# === CLEANUP ===
+rm -f ./*tmd*csv*
+rm -f ./tmd*-22-*
+rm -f ./*.log
+exit 0
diff --git a/tmd/examination/2022/precvars b/tmd/examination/2022/precvars
new file mode 100644
index 00000000..03bcb950
--- /dev/null
+++ b/tmd/examination/2022/precvars
@@ -0,0 +1,3 @@
+iitax
+s006
+data_source